List of Foster's Home for Imaginary Friends episodes

Foster's Home for Imaginary Friends is an American animated television series created by Craig McCracken for Cartoon Network. The series centers on Mac, an eight-year-old boy who is pressured by his mother to abandon his imaginary friend Bloo, who moves into an orphanage for imaginary friends and is kept from adoption so that Mac can visit him daily. The episodes center on the day-to-day adventures and predicaments in which Mac, Bloo and other characters get involved.

The series premiered on August 13, 2004, with the 90-minute pilot episode "House of Bloo's", and ended on May 3, 2009, with the episode "Goodbye to Bloo". The series ran for six seasons consisting of 13 episodes apiece. Animated shorts aired from 2006 to 2007.

Series overview

Season	Episodes		Originally released
			First released	Last released
1	13[nb 1]		August 13, 2004 (2004-08-13)	October 22, 2004 (2004-10-22)
2	13[nb 2]		January 21, 2005 (2005-01-21)	July 15, 2005 (2005-07-15)
3	14		July 22, 2005 (2005-07-22)	March 24, 2006 (2006-03-24)
4	13		April 28, 2006 (2006-04-28)	November 23, 2006 (2006-11-23)
Shorts	18		June 14, 2006 (2006-06-14)	August 7, 2007 (2007-08-07)
5	13		May 4, 2007 (2007-05-04)	March 6, 2008 (2008-03-06)
6	13		March 13, 2008 (2008-03-13)	May 3, 2009 (2009-05-03)

Episodes

Note: All episodes were directed by series creator Craig McCracken, with the only co-direction of Rob Renzetti in "Destination: Imagination".

Season 1 (2004)

No. overall	No. in season	Title	Animation direction by	Written by	Storyboard by	Original release date [1]	Prod. code [2]	K2–11 viewers (in millions)
1	1	"House of Bloo's"	Robert Alvarez	Craig McCracken	Craig McCracken Lauren Faust, Brian Larsen, & Chris Dent (parts 2 & 3 only)	August 13, 2004 (2004-08-13)	101	1.49[3]
2	2		Randy Myers				102
3	3		Robert Alvarez				103
In the series premiere movie, Mac sends Bloo to live at Foster's Home for Imaginary Friends after his mother tells him he is too old to have an imaginary friend. There, they meet Mr. Herriman, Frankie, Wilt, Coco, and Eduardo, who all announce that, eventually, Bloo will be adopted by another kid. Not wanting to be separated from Bloo, Mac promises to visit Bloo every day so he will not be eligible for adoption, but they face problems when Mac's brother Terrence and a sinister imaginary friend named Duchess team up to get rid of Bloo.
4	4	"Store Wars"	Randy Myers	Lauren Faust	Ed Baker	August 20, 2004 (2004-08-20)	107	N/A
The day of Madame Foster's birthday comes around, and Frankie has forgotten to buy streamers, so Mr. Herriman orders her to get some. Mac, Bloo, Eduardo, Wilt, and Coco tag along but wander off while in the mall and get into various scrapes, slowing Frankie down.
5	5	"The Trouble with Scribbles"	Robert Alvarez	Craig Lewis	Chris Dent	August 27, 2004 (2004-08-27)	109	N/A
Bloo finds out about a door in the home that everyone is forbidden to open. He asks about the door, but no one will tell him what is behind it. Finally, Bloo snaps and opens the door, releasing hundreds of imaginary friends called scribbles, small friends created by babies. The scribbles are natural hard-workers who begin to work around the house, making everyone lazy.
6	6	"Busted"	Robert Alvarez	Amy Keating Rogers	Chris Dent	September 3, 2004 (2004-09-03)	104	N/A
Mr. Herriman is unhappy about Bloo not perfectly following the rules of the house. When he threatens to kick Bloo out, Bloo gets so stressed out that he accidentally breaks a bust of Madame Foster. Bloo tries to find a way to fix the broken bust before Mr. Herriman finds out.
7	7	"Dinner Is Swerved"	Robert Alvarez	Amy Keating Rogers	Brian Larsen	September 10, 2004 (2004-09-10)	105	1.68[4][5]
When Mac visits Foster's, Bloo wants to show him something up on the roof, though when it is time for them to go back downstairs, they find themselves lost and unable to get downstairs. Meanwhile, everyone in the dining room sneaks food when Mr. Herriman is not looking after he insists they wait for Bloo to arrive before eating dinner.
8	8	"World Wide Wabbit"	Randy Myers	Lauren Faust	Ed Baker	September 17, 2004 (2004-09-17)	111	1.68[6]
Mac and Bloo are using Frankie's digital camera to conduct video interviews for the new Foster's website when they stumble upon Mr. Herriman dancing and acting silly for Madame Foster. Mac videotapes it, but after a quick laugh, he decides to erase the embarrassing video. Before he can, however, Bloo grabs the camera, shows the footage to Frankie, and eventually uploads it to the Internet. Bloo and the others desperately try to stop Mr. Herriman from finding out about his newfound Internet fame.
9	9	"Berry Scary"	Robert Alvarez	Craig Lewis and Meghan McCarthy	Chris Dent	September 24, 2004 (2004-09-24)	112	N/A
A new friend named Berry enters the house and acts as sweet as she can be, though with one glance at Bloo, she becomes lovestruck and is determined to make Bloo love her back. When he ignores her, she feels like Mac is getting in the way (though it is actually just Bloo's self-centered nature).
10	10	"Seeing Red"	Robert Alvarez and Randy Myers	Chuck Klein	Chuck Klein	October 1, 2004 (2004-10-01)	110	N/A
		"Phone Home"	Randy Myers	Chris Savino	Clayton McKenzie Morrow
Seeing Red: Terrence creates an imaginary friend named Red to attack Bloo so he can bully Mac to his heart's content, but the friend he creates is friendly instead of being mean and violent. Phone Home: Bloo is jealous of Wilt getting special attention for the number of abandoned imaginary friends he brings to Foster's, so he tries to rescue imaginary friends just like Wilt does. When Bloo finds a man in a cell phone suit and thinks he is a friend, he takes him to Foster's, assuming everyone will praise him more than Wilt.
11	11	"Who Let the Dogs In?"	Randy Myers	Lauren Faust	Ed Baker	October 8, 2004 (2004-10-08)	113	N/A
After Eduardo finds a puppy when he is taking out the trash, he decides to keep it, despite the fact that dogs are not permitted inside the house due to Mr. Herriman suffering from a fear of dogs. However, despite Eduardo's best efforts, the dog gets loose and starts causing problems that Eduardo takes the blame for in fear of the puppy being found out.
12	12	"Adoptcalypse Now"	James Tim Walker	Craig Lewis	Chuck Klein and Vaughn Tada	October 15, 2004 (2004-10-15)	106	N/A
It's Adopt-a-Thought Saturday, an event that focuses on getting good friends adopted on the weekends when children are out of school. Mac and Bloo discover what Adopt-a-Thought Saturday is about after their good friend Jokey gets adopted. Not wanting to lose any more friends, they spend the day forcing everyone back into the house so that they will not be adopted.
13	13	"Bloooo"	Randy Myers	Craig Lewis	Brian Larsen and Vaughn Tada	October 22, 2004 (2004-10-22)	108	N/A
Bloo and Mac enjoy playing with each other in the mud, but when it starts raining, they get sick. As Frankie takes Mac home, Bloo starts feeling worse and misses out on the scary movie that he and the others planned to watch that night. When Wilt, Eduardo, and Coco begin to believe that the ghost in the movie is real, they mistake a pale Bloo for the ghost. Meanwhile, Frankie gets locked out of the house in the rain after dropping off Mac, and as she tries to get back in by risking her own life, she feels she is being stalked by something hiding in the dark.

Season 2 (2005)

No. overall	No. in season	Title	Animation direction by	Written by	Storyboard by	Original release date [7]	Prod. code [2][8]	K2–11 viewers (in millions)
14	1	"Partying Is Such Sweet Soiree"	Robert Alvarez and Craig Kellman	Craig Lewis	Mike Kim	January 21, 2005 (2005-01-21)	203	1.25[9]
Frankie and Madame Foster are leaving for the day, so Mr. Herriman is placed in charge of the house. However, Madame Foster inadvertently gives Bloo the idea to throw a wild party, and he plans to do so without Mr. Herriman's consent. While they manage to come up with a method to distract Mr. Herriman, there is still one person that could stop the party: Mac. Bloo knows that with a little bit of sugar, Mac will not be a problem, or so he believes. Instead, though, one small drop of sugar turns Mac into a sugar-crazy maniac, and Bloo must stop him before he ruins the party. Meanwhile, he finds even more to worry about, including Mr. Herriman coming to his senses.
15	2	"The Big Lablooski"	Robert Alvarez and Paul O'Flanagan	Amy Keating Rogers	Vaughn Tada	January 28, 2005 (2005-01-28)	201	N/A
Mac drafts the gang onto Madame Foster's bowling team to help her beat her arch-rival Jerkins, but when Mac gets booted off his own team, he must learn the ways of the ball from an imaginary bowling guru.
16	3	"Where There's a Wilt, There's a Way"	Randy Myers	Craig Lewis	Clayton M. Morrow	February 4, 2005 (2005-02-04)	202	1.85[10][11]
		"Everyone Knows It's Bendy"		Lauren Faust	Mike Kim
Where There's a Wilt, There's a Way: Wilt wants to watch a basketball game on TV, but the ridiculous requests of various friends and Wilt's inability to refuse them keep him from seeing the big game. Everyone Knows It's Bendy: A new imaginary friend named Bendy has come to Foster's, but he keeps misbehaving all around the house. Bloo, Wilt, Eduardo, and Coco are framed for Bendy's wrongdoings until Bloo comes up with a master plan.
17	4	"Sight for Sore Eyes"	Robert Alvarez	Lauren Faust	Clayton M. Morrow and Chuck Klein	March 4, 2005 (2005-03-04)	204	N/A
		"Bloo's Brothers"		Adam Pava	Clayton M. Morrow
Sight for Sore Eyes: When Ivan, a seeing eye friend, loses his blind kid, the friends try to find the boy before harm comes to him. Bloo's Brothers: Mac takes Bloo to school for show-and-tell, and his classmates love Bloo so much that they imagine their own Bloo knock-offs. Hundreds of Bloos come to Foster's the next day, and Bloo dubs them his minions, but when Mac shows up to take Bloo to see the Ice Charades, he cannot figure out which Bloo is the original.
18	5	"Cookie Dough"	Randy Myers and Robert Cullen	Adam Pava	Ed Baker	March 11, 2005 (2005-03-11)	205	N/A
When Foster's needs a new roof, Bloo bakes up a plan to sell Madame Foster's amazing cookies after his first attempt at selling lemonade in the middle of winter fails. When they finally get enough money to buy a new roof, Bloo sets himself up as the town's cookie mogul.
19	6	"Frankie My Dear"	Robert Alvarez and Craig Kellman	Lauren Faust	Lauren Faust	March 18, 2005 (2005-03-18)	206	1.18[12]
Frankie is upset that she has to do paperwork when she wants to go out with her friends on Friday night, so Mac tells her he will file the paperwork for her. Overjoyed by this, Frankie calls him "the best" and kisses him on the cheek. After that, Mac develops a huge crush on Frankie, and later, Bloo does, too. The two start competing for her love the next day as Frankie is unusually happy about the previous night, mentioning how she met the man of her dreams. Soon they realize her unnamed suitor is neither of them, and Mac and Bloo become jealous, trying to thwart every guy she comes in contact with, namely Chris (a pizza guy), Prince Charming (an imaginary friend), and her real date, Dylan Lee, who takes her to a fancy restaurant for their date. Mac, Bloo, Prince Charming, and the delivery boy form a team--and a master plan to get Frankie's new boyfriend.
20	7	"Mac Daddy"	Robert Alvarez and Craig Kellman	Lauren Faust	Chris Dent and Lauren Faust	May 6, 2005 (2005-05-06)	207	N/A
One morning, Mac wakes up to find that he has unintentionally created another imaginary friend named Cheese. Madame Foster allows the same rules as there are for Bloo, but Bloo does not approve of his new brother. After many attempts to get rid of him, Cheese disappears on his own. Bloo realizes that Foster's could be a very dangerous place for one so stupid as Cheese.
21	8	"Squeakerboxxx"	Robert Alvarez and Paul O'Flanagan	Craig Lewis	Ed Baker	May 13, 2005 (2005-05-13)	208	N/A
The gang goes to an arcade and while everyone else is winning many tickets, Bloo is not. Bloo then becomes very interested in glow in the dark Dracula teeth, which are worth 500 tickets. Bloo wants them to give him their tickets so he can get one, but the others decided to collect all of their tickets and get a rubber elephant, which Bloo grows an obsession with later on after discovering that it squeaks. He accidentally breaks the toy, however, and must find a replacement before their friends find out.
22	9	"Beat with a Schtick"	Robert Alvarez and Craig Kellman	Craig Lewis	Ed Baker and Mike Kim	May 20, 2005 (2005-05-20)	209	N/A
Bloo has a reputation for being a funny imaginary friend, though his jokes sometimes offend people. When Bloo cracks a joke about an imaginary friend's height, the "New Guy" challenges him to meet him outside at 4:00.
23	10	"The Sweet Stench of Success"	Chris Savino and Robert Cullen	Adam Pava	Vaughn Tada	May 27, 2005 (2005-05-27)	210	N/A
After appearing on local television news trying to outperform Eduardo, Bloo becomes a celebrity, doing commercials, television shows, movies and personal appearances. As time goes by, he discovers fame is not all it is cracked up to be.
24	11	"Bye Bye Nerdy"	Chris Savino and Paul O'Flanagan	Tim McKeon	Vaughn Tada	July 1, 2005 (2005-07-01)	211	1.07[13]
After beating Mac's high score in a video game, Bloo goes to rub it in his face at school, but is horrified when he comes to the conclusion that Mac is a nerd. When Mac arrives, Bloo quickly works to make Mac cool, but none of their ideas work. Only when Mac says he does not care about being cool does the coolest kid in the school, Jamez Withazee, tell him that the fact that he does not want to be cool, makes him cool, and invites him to "The Rock". Since Mac takes up this offer and is not at Foster's at 3:00, Mr. Herriman is very quick to ensure that Bloo gets adopted.
25	12	"Bloo Done It"	Robert Alvarez and Robert Cullen	Craig Lewis and Adam Pava	Neal Sternecky and Vaughn Tada	July 8, 2005 (2005-07-08)	212	N/A
During the production of the home's newspaper, Uncle Pockets, the most frequently adopted imaginary friend to come to Foster's, returns yet again. Uncle Pockets' charm drives all the other friends' attentions to him, making Bloo jealous. Bloo then decides to try to expose Uncle Pockets as a fraud through the home's newspaper.
26	13	"My So Called Wife"	Chris Savino and Craig Kellman	Adam Pava	Ed Baker	July 15, 2005 (2005-07-15)	213	N/A
A rich benefactor is considering giving money to a charity, and visits Foster's to see if it is worthy. Mr. Herriman gets Mac and Bloo to keep Coco out of the way, but in the end, it is only when the benefactor mistakes Coco as Mr. Herriman's wife that he considers Foster's, and invites them to his mansion where he will decide which charity gets the money. Mr. Herriman then tries to teach Coco to be sophisticated, while Mac and Frankie teach Bloo sarcasm, since he does not understand that Mr. Herriman was being sarcastic when he and Mac were promised jet cars.

Season 3 (2005–06)

No. overall	No. in season	Title	Animation direction by	Written by	Storyboard by	Original release date [14]	Prod. code [2][8]	K2–11 viewers (in millions)
27	1	"Eddie Monster"	Robert Alvarez, Lauren Faust, and Eric Pringle	Craig Lewis	Chris Dent	July 22, 2005 (2005-07-22)	301	1.16[15]
Eduardo runs away from the home to prove that he is not a coward. Meanwhile, Terrence is looking for an imaginary friend to compete in the Extreme-O-Saur Battle, and he comes across Eduardo. While Mac, Bloo, Wilt, and Coco search for Eduardo, Terrence uses him to fight against huge imaginary friends at the junkyard.
28	2	"Hiccy Burp"	Paul O'Flanagan and Chris Savino	Craig Lewis	Neal Sternecky and Alex Almaguer	September 5, 2005 (2005-09-05)	302	N/A
Richie Wildebrat, a kid at Mac's school, keeps bragging about his imaginary friend, Blake Superior and how they will win the imaginary friend talent show pageant. Mac wants to beat him so it can end Richie's bragging, so he asks Bloo to enter the pageant, but Bloo does not want to. Bloo gets the hiccups, which Blake says is ridiculous, so Bloo decides to enter.
29	3	"Camp Keep a Good Mac Down"	Robert Alvarez and Eric Pringle	Tim McKeon	Ed Baker	September 9, 2005 (2005-09-09)	303	1.59[16]
Mac and Bloo ask Mr. Herriman to go camping. He refuses to let them go, but Madame Foster thinks it is a great idea. After they arrive, Bloo has eaten all the food. Mr. Herriman then sets off into the woods in search for more food, and then meets wild bunnies. Meanwhile, back at camp, the rest of the group meets some trouble: Madame Foster fights a bear, Wilt gets stuck in quicksand, Coco goes fishing, and Mac, Bloo and Eduardo are lost in the woods.
30	4	"Imposter's Home for Um... Make 'Em Up Pals"	Robert Alvarez, Eric Pringle, and Lauren Faust	Craig Lewis	Chris Dent	September 16, 2005 (2005-09-16)	305	N/A
Goofball John McGee comes to Foster's and makes a total nuisance of himself. Frankie thinks he is a teenage kid passing himself off as an imaginary friend, who always needs help with homework and washing his jerseys, and eats all the food that Frankie buys from the store, but everyone else believes otherwise, leaving Frankie determined to prove he is a fraud.
31	5	"Duchess of Wails"	Robert Cullen and Brian Hogan	Adam Pava and Amy Keating Rogers	Vaughn Tada	September 23, 2005 (2005-09-23)	304	1.47[17]
Foster's is finally able to get rid of Duchess when she is adopted. However, the family that adopted her turns out to be Mac's neighbors and her complaining gets to be too much for Mac's mother to handle. Terrence tells Mac that she is thinking about moving to Singapore (which Terrence thinks is in Wisconsin). Mac and Bloo attempt to frame Duchess by wrecking up her owner's home, but this only makes them love her more. They decide that they must bring her back to Foster's, but are prevented from doing so when Terrence warns of their arrival. In the end however, Terrence's plan fails when the Foster's residents learn about Mac moving and agree to take Duchess back.
32	6	"Foster's Goes to Europe"	Robert Cullen and Chris Savino	Tim McKeon	Ed Baker	November 4, 2005 (2005-11-04)	306	N/A
Mac wins a sweepstakes and receives tickets to Europe, but when the gang tries to pack at the last second, everyone has delays that make them later and later. Frankie is making sure that Madame Foster can take care of the house while everyone is gone, though all she wants to do is break the rules, which is tempting to Bloo.
33	7	"Go Goo Go"	Robert Alvarez, Lauren Faust, and Eric Pringle	Lauren Faust	Vaughn Tada	November 11, 2005 (2005-11-11)	307	N/A
Mac falls on a girl named Goo when trying to get a bobsled out of a tree, and she begins visiting Mac every day at Foster's. With her hyperactive imagination, she creates a new friend one after another, which causes a big problem for the other imaginary friends in the house. After she creates so many imaginary friends that it crowds the whole house, the others have to sleep in the Foster's bus and feel that Mac is responsible for Goo's continuous visits.
34	8	"Crime After Crime"	Robert Alvarez, Randy Myers, and Paul O'Flanagan	Lauren Faust	Ed Baker	November 18, 2005 (2005-11-18)	308	N/A
Mr. Herriman's carrot addiction leads him to blame Coco for stealing the carrots that were to be used for dinner that night, though it was him who hid them around the house. With no carrots left, the only thing left for dinner is to make "It," a dish that Frankie has never been able to make. When Bloo learns what "It" is (a mixture of vomit, slop and mucus), he is determined not to eat it. Mr. Herriman meanwhile is punishing everyone who comes near his hidden carrots, and sending them to their rooms with no supper. Bloo decides to do all of the bad things he can think of to escape eating "It" by getting sent to his room, but Mr. Herriman is so busy punishing everyone else, that every time Bloo tries to get in trouble, Mr. Herriman overlooks him, blaming everybody but him, and chaos ensues.
35	9	"Land of the Flea"	Robert Alvarez, Lauren Faust, and Eric Pringle	Adam Pava and Lauren Faust	Kirk Hanson	November 25, 2005 (2005-11-25)	309	N/A
When Eduardo gets fleas from his puppy, he becomes discontent as the fleas are driving him mad. However, despite the way he feels, he decides to keep the fleas on him when he befriends them, though Frankie and Mr. Herriman want none of it and they decide to go to drastic lengths to get the fleas removed. Meanwhile, Bloo wants to get some fleas of his own and he does anything possible in order to attempt to get Eduardo to share them.
36	10	"A Lost Claus"	Robert Alvarez and Robert Cullen	Lauren Faust	Vaughn Tada	December 1, 2005 (2005-12-01)	N/A	1.42[18]
When various imaginary Santa Clauses are brought to Foster's, Mac begins to lose his faith in Santa's existence, so it is up to Bloo and the others to help restore Mac's faith in the old St. Nick. Bloo sends Wilt on a sleigh ride around the world and tries to get Eduardo to slide down the Foster's chimney, trying to prove that Santa is real, and in the process, costs Coco her job at the mall as Santa; Bloo learns that Mr. Herriman is only giving one present to everyone (which is part of the reason that he tries to prove Santa real), and in his selfishness tries to make Herriman hand out more presents, in a rather interesting way. Thus, his plan fails as he accidentally drives Mr. Herriman to throw away all the decorations and gifts. To make things worse, Wilt is lost, Eduardo is stuck, and Coco is mad at Mac. Everyone must find a jolly old man to save the day, or their holiday will be ruined.
37	11	"One False Movie"	Robert Cullen and Robert Alvarez	Adam Pava	Andy Schuhler	February 10, 2006 (2006-02-10)	310	N/A
Mac makes a home movie about Foster's Home for his school project, but Bloo edits it into a humorous film with flatulent sound effects. This leads him to be entered in the state student film festival. With Bloo's help, they make "T-Rexatron Alienwolf III, A Prequel in Time: The Unrelenting", but Eduardo tapes over Bloo's movie with his favorite educational show, resulting in Bloo and Mac losing the contest.
38	12	"Setting a President"	Robert Alvarez and Eric Pringle	Adam Pava	Douglas McCarthy and Vaughn Tada	February 17, 2006 (2006-02-17)	311	N/A
Everyone in Foster's is sick of Herriman's rules, so Frankie decides that she should run for president. Bloo also decides to run when it is stated that any resident of the house can be a candidate. After Bloo resigns, he helps Herriman by giving the house embarrassing and even untrue claims about Frankie. Frankie eventually wins, but Herriman is left without a job.
39	13	"Room with a Feud"	Robert Cullen, Robert Alvarez, and Randy Myers	Tim McKeon	Vaughn Tada	March 17, 2006 (2006-03-17)	312	N/A
When a recent adoption leaves a room at Foster's vacant, Bloo, Coco, Wilt, and Eduardo all fight over it, along with another friend named Peanut Butter. Everybody soon starts to make contests to see who will win the room, which leads Bloo to try to make contests that he can cheat at.
40	14	"Cuckoo for Coco Cards"	Robert Alvarez and Eric Pringle	Cindy Morrow and Lauren Faust	Ed Baker	March 24, 2006 (2006-03-24)	313	N/A
When Mac takes his classmates on a field trip to Foster's, everybody loves Coco, and Bloo wants all of the attention. After Coco lays eggs with imaginary friend trading cards, all of the friends start trading and collecting the cards. Bloo becomes obsessed and tries to be the first to collect them all.

Season 4 (2006)

No. overall	No. in season	Title	Animation direction by	Written by	Storyboard by	Original release date [19]	Prod. code [8]	K2–11 viewers (in millions)
41	1	"Challenge of the Super Friends"	Robert Cullen and Robert Alvarez	Lauren Faust	Vaughn Tada	April 28, 2006 (2006-04-28)	401	N/A
When a large and dangerous imaginary friend starts destroying the city, a superhero friend named Imaginary Man comes to save the day, and Mac becomes his biggest fan. When Mac gets recruited as Imaginary Man's sidekick, however, he ditches Bloo and starts to forget about their friendship. As a result, Bloo joins forces with Nemesis, Imaginary Man's mortal enemy, to get revenge on Mac.
42	2	"The Big Picture"	Robert Alvarez, Eric Pringle, and Randy Myers	Tim McKeon	Chris Dent and Andy Schuhler	May 5, 2006 (2006-05-05)	402	N/A
The residents of Foster's prepare for the annual house photo. Meanwhile, Eduardo gets an "extreme makeover" from Duchess, Coco thinks that she needs to lose weight, Wilt has trouble being in the house photo without getting his head cut out of the frame, and Mac and Bloo search for an answer behind a strange photo taken of the friends many years ago.
43	3	"Squeeze the Day"	Robert Alvarez and Eric Pringle	Tim McKeon	Ed Baker	May 12, 2006 (2006-05-12)	403	N/A
Bloo wakes up to find the house completely deserted. With no Herriman or Frankie there to enforce the house rules, Mac and Bloo set out to cram as much fun and mischief into one day as they possibly can.
44	4	"Neighbor Pains"	Robert Cullen and Robert Alvarez	Tim McKeon	Andrew Schuhler	May 19, 2006 (2006-05-19)	404	N/A
On Adopt-a-Thought Saturday, Madame Foster renews a feud with her cranky old neighbor Old Man Rivers with disastrous consequences. Meanwhile, Bloo tries to settle a score of his own with Rivers' irritating grandson, Young Man Rivers.
45	5	"Infernal Slumber"	Robert Alvarez and Eric Pringle	Tim McKeon	Vaughn Tada	July 17, 2006 (2006-07-17)	405	N/A
Bloo and the gang arrive at Mac's apartment for a slumber party that Mac did not plan. Mac tries desperately to keep his friends quiet before they wake up his mom and brother with their shenanigans.
46	6	"I Only Have Surprise for You"	Robert Alvarez and Eric Pringle	Tim McKeon	Ed Baker	July 27, 2006 (2006-07-27)	406	N/A
Mac suspects that Bloo, along with the rest of the house, are planning him a surprise party. Mac, however, wants no part of it, since Bloo's surprise parties always humiliate him in some way, and he is determined to foil Bloo's plans by any means necessary.
47	7	"Bus the Two of Us"	Robert Alvarez and Eric Pringle	Meghan McCarthy and Lauren Faust	Neal Sternecky and Craig McCracken	August 1, 2006 (2006-08-01)	407	N/A
Bloo notices after a trip to the grocery store that Frankie has left the keys in the bus and decides to take Mac for a joyride in the Foster's bus. Wilt, Coco, and Goo promise to keep it a secret, much to Wilt's disconcern.
48	8	"The Big Cheese"	Randy Myers and Eric Pringle	Lauren Faust	Vaughn Tada	August 7, 2006 (2006-08-07)	408	N/A
Foster's is being put on the local news and Frankie wants everything perfect, but the only thing standing in her way is Cheese who keeps showing up at Foster's uninvited. In an attempt to keep him out, Mr. Herriman installs a security system. Unfortunately, due to misreading the instructions, everyone gets locked out of the house and nobody knows the password except for Cheese, who memorized the code as a song.
49	9	"Bloo's the Boss"	Robert Alvarez and Eric Pringle	Darrick Bachman	Ed Baker	November 3, 2006 (2006-11-03)	409	N/A
Bloo is tired of Madame Foster getting all the glory for rescuing abandoned friends, so he sets up his own foster home - Bloo's Foster's Home for Imaginary Friends - in a cardboard box on the sidewalk.
50	10	"Emancipation Complication"	Robert Cullen and Robert Alvarez	Darrick Bachman	Neal Sternecky and Ed Baker	November 10, 2006 (2006-11-10)	410	N/A
An imaginary pen resembling Abraham Lincoln is confiscated by Mac's teacher after she catches him helping his creator cheat on a history test. Mac hatches a plan to rescue the friend - along with his au pair Moose - from the classroom closet, but the imaginary Honest Abe does not quite live up to his namesake when he cons Madame Foster and starts selling the friends for profit.
51	11	"Make Believe It or Not"	Robert Alvarez and Eric Pringle	Kirk Thatcher	Kelsey Mann	November 17, 2006 (2006-11-17)	413	N/A
When a thunderstorm knocks out the power at Foster's, the gang organizes a game of pretend. Goo - who pretends to be an international pop star - gets upset when the boys do not want to play with her, so she make-believes a gang of villains that will force them to listen to her imaginary concert. In her sleep, Goo accidentally makes all her villains come alive. Now, she must finish the game to save her friends from her own creations.
52	12	"Good Wilt Hunting"	Robert Alvarez, Eric Pringle, and Robert Cullen	Lauren Faust	Vaughn Tada and Ed Baker	November 23, 2006 (2006-11-23)	411	1.38[20]
53	13						412
In this double-length special, the Five-Year Creator Reunion Picnic takes place, where imaginary friends' creators come to Foster's to see their former friends. One friend's creator, however, is missing: Wilt's. Wilt, believing that his creator is still mad at him for a past letdown, sets off on a cross-country journey to rectify the situation. Meanwhile, Mac, Bloo, and Frankie, along with Eduardo and his creator, Officer Nina Valerosa, and Coco, along with the two scientists who discovered her, set out to find Wilt and bring him back home.

Shorts (2006–07)

No.	Title	Original air date
1	"Driving Miss Crazy"	June 9, 2006 (2006-06-09)
Frankie goes to find out about the non-functioning bus and everyone wants to come along which delays her. Frankie and the gang finally get to the mechanic, only to find that the bus is not ready yet because the carburetor is filled with cheese fries.
2	"Neighborhood Wash"	July 7, 2006 (2006-07-07)
Mac and the other friends start a car wash to pay for a porcelain poodle that Bloo broke. To help, Bloo throws mud at every car that goes by to get more customers.
3	"All Zapped Up"	November 20, 2006 (2006-11-20)
Frankie tells Bloo that static electricity can be produced by rubbing socks together. After learning this, he zaps Frankie, then Wilt, then both Wilt and Frankie at the same time. Running through the halls, he zaps Madame Foster, Coco, and Jackie Khones. He tries to zap Mr. Herriman, but nothing happens. Bloo "re-charges" by rubbing onto the rug, a towel, an imaginary friend (who happens to be Sunset Junction), and two socks. After that, he gives Eduardo a big zap, but in the end, Bloo zaps himself while trying to get the door open for his package.
4	"Bad to the Phone"	December 8, 2006 (2006-12-08)
Bloo tries to make a good recording message for the Fosters Home phone, getting various others to help. Eventually, Bloo gets satisfied with one but Madame Foster plugs too many devices into the same outlet as the phone, fricasseeing the phone from the overload.
5	"Truth or Stare"	December 8, 2006 (2006-12-08)
Mac and Bloo have a staring contest and Eduardo tries to talk to them only to think they are frozen solid, consequently getting Frankie to tell him about it. More of the house's residents watch in a bet, as Mac seems to start losing his grip, only to recover it. It is revealed that Bloo was hiding behind a cardboard cut-out of himself.
6	"A Chore Thing"	January 1, 2007 (2007-01-01)
Mr. Herriman tells Bloo to sort the trash as punishment because Bloo hosted a mud-wrestling tournament in the living room. Mac comes along and talks Bloo into pretending it is fun so that other people will want to do it. Soon, he has everybody doing it. Mac tries to tell him that it is not fun after Bloo refuses to go do something else. He thinks everybody is going to take the trash for themselves and tells them to get out. Then he realizes it is not fun without the guys and walks away, until Mr. Herriman comes in and tells him to finish sorting the trash.
7	"Hide and Bloo Seek"	January 1, 2007 (2007-01-01)
Bloo is determined to win a game of Hide and Seek, so he hides in the trash. Things go awry when a few friends start playing "Kick the Trashbag".
8	"Badvertisement"	January 1, 2007 (2007-01-01)
Bloo makes a commercial for Fosters and ends up in trouble when a bunch of people show up because he told them that the first people there in 10 minutes get money and the Fosters bus.
9	"Give Pizza a Chance"	February 14, 2007 (2007-02-14)
Bloo leaves the fridge open after getting himself a snack, which leads to Frankie telling Wilt to order pizza. Bloo tells him to order five hundred pizzas, at the price of $6532.12. Frankie cannot pay that much, so Bloo, Wilt, and Ed stall Quinn the delivery boy by sitting on him because the pizza is free if it is not there in 30 minutes.
10	"Backpack Attack"	June 23, 2007 (2007-06-23)
Jackie Khones questions Bloo about Mac's backpack and Bloo becomes obsessed with finding out what is in it.
11	"Petrified Pet"	July 1, 2007 (2007-07-01)
Bloo finds a strange rock digging in the yard and it is declared to be a fossil by Phineus B. Vurm, the bookworm imaginary friend. Bloo treats it as a pet until Frankie reveals it is actually petrified feces.
12	"Fistful of Cereal"	July 2, 2007 (2007-07-02)
Bloo tries getting a secret decoder ring from a cereal box. Mr. Herriman forbids him to get the toy without eating the cereal down to the ring. He then realizes that a secret decoder ring can decode his files on house residents and competes with Bloo in order to get the ring first.
13	"Cranks a Lot"	July 4, 2007 (2007-07-04)
Bloo tricks Mac into making crank calls to Mr. Herriman. Their joke is simply blowing raspberries into the phone, redialing again and again. Each time Herriman tries to get back at them by doing the same thing, it is not them redialing, it is Frankie asking about groceries in the mall. The last call Herriman gets was not from Mac and Bloo or Frankie; instead, it was from Madame Foster.
14	"Drawing Bored"	July 4, 2007 (2007-07-04)
Eduardo tries to draw a story but Bloo, Wilt, and Coco keep interrupting him, drawing their own additions to the story. Frankie interrupts them, revealing that they had been drawing on a wall in the house.
15	"Hair Today, Gone Tomorrow"	July 4, 2007 (2007-07-04)
Bloo ruins Mac's hair with gum the day before School Picture Day. Bloo tries to make it up to him, but only makes matters worse.
16	"Coconuts"	July 4, 2007 (2007-07-04)
Bloo tries to decipher a message from friends whose vocabulary has only one word each, like Coco. When he figures it out, he does not believe it until he realizes it is true.
17	"Pen Pal"	August 5, 2007 (2007-08-05)
Eduardo has a British penpal and Bloo is convinced that it is the Queen of the United Kingdom. He tries to make her his penpal instead by writing her a letter. Mac suggests to use Nancy, an English pen imaginary friend, but Bloo claims it will make the letter "boring". Mac then suggests a care-package to make her really believe that Bloo cares. Bloo brings in a huge package, but it turns out the penpal was really Nancy. She claims the package is "boring" and she can only use it as a doorstop.
18	"Birthday Cake Bloos"	August 7, 2007 (2007-08-07)
It is Bloo's birthday, and his cake is being guarded by Mr. Herriman. After being refused to have his cake, Bloo leaves and Frankie comes in and sees Mr. Herriman sleeping on the job. She makes it look like he ate the cake in his sleep and leaves. Mr. Herriman soon wakes up and notices this and thinks he indeed ate the cake, at which point Frankie is yelling for Bloo to come into the kitchen, as they both enter, Frankie sees the cake is gone and scolds Bloo for it and threatens to kick him out. Feeling guilty, Mr. Herriman confesses that he ate the cake, on which both Frankie and Bloo begin to laugh, saying they pulled a prank on him and that the cake is just fine. When Frankie opens the refrigerator to show that the cake is fine, it actually is gone, having been taken by Madame Foster.

Season 5 (2007–08)

No. overall	No. in season	Title	Animation direction by	Written by	Storyboard by	Original release date [21]	Prod. code [8]
54	1	"Cheese a Go-Go"[nb 3]	Robert Alvarez and Eric Pringle	Darrick Bachman and Lauren Faust	Ed Baker	May 4, 2007 (2007-05-04)	501
Bloo is suddenly convinced that Cheese is an alien spy working for an evil extraterrestrial organization to remove brains of people on earth and cause an alien invasion after watching a science fiction movie and reading a tabloid newspaper where pictures are similar to Cheese. Later on, Frankie and everyone else (including Bloo) are stuck in an out of control day of errands and priorities, which causes utter bedlam when Cheese screams "gotta go" hundreds of times and Bloo uses the observatory intercom to communicate with aliens from outer space.
55	2	"The Buck Swaps Here"	Robert Alvarez and Eric Pringle	Charlie Bean and Craig McCracken	Vaughn Tada	May 18, 2007 (2007-05-18)	502
The gang goes to a swap meet where a pick-pocket is stealing money. When the thief accidentally loses a $100 bill, Eduardo finds it and takes his money around the swap meet looking for something to buy. Even the most sensible of the gang are tempted by the bill, and with the thief also trying to catch his money, chaos ensues.
56	3	"Say It Isn't Sew"	Robert Alvarez and Eric Pringle	Darrick Bachman	Kelsey Mann	June 8, 2007 (2007-06-08)	503
When the whole house goes to a fair, Mac and Bloo compete to see who will throw up last on a ride called the Vomit Comet. Bloo ditches Mac to ride in Madame Foster's Firebird, but a "quick" stop at the fabric store across the street from the fair suddenly turns into a nightmare for Bloo that does not seem to end, causing him to take big measures to try to get out of it.
57	4	"Something Old, Something Bloo"	Robert Alvarez and Eric Pringle	Kirk Thatcher and Lauren Faust	Ed Baker	June 15, 2007 (2007-06-15)	504
Bloo visits a retirement home and disguises himself as a senior, getting to live there and being pampered all day long. When Mac finds out about it, Madame Foster teams up with him in order to get Bloo out of there.
58	5	"The Bloo Superdude and the Magic Potato of Power!"	Robert Alvarez and Eric Pringle	Craig McCracken	Vaughn Tada	September 10, 2007 (2007-09-10)	505
Bloo entertains Mac with an action-packed story about a crystal "potato" of power. A little boy (Eduardo), an alien (Coco), a hermit (Wilt), a magical fairy (Frankie), and the Superdude (Bloo) attempt to protect the crystal potato from the evil Lord Snooty (Herriman), who is taking away all the fun in the land ruled by the Queen (Madame Foster). The story, Mac finds out, is a complete exaggeration of the day's events at Foster's.
59	6	"Schlock Star"	Robert Alvarez and Eric Pringle	Darrick Bachman	Kelsey Mann	September 11, 2007 (2007-09-11)	506
A rock and roll band called Pizza Party, formed by a group of imaginary friends, annoy Bloo by not allowing him to be their lead singer, so he decides to form his own band with Wilt, Eduardo, and Coco called Taco Fiesta. Soon, they are challenged to a "Battle of the Bands".
60	7	"The Bride to Beat"	Robert Alvarez and Eric Pringle	Chris Savino and Lauren Faust	Ed Baker	September 12, 2007 (2007-09-12)	507
Bloo overhears Mac talking about his supposed wedding. Dismayed, Bloo finds help from a depressed imaginary friend, not wanting to lose Mac forever. Bloo observes some adults and mimics them to try to grow up for Mac.
61	8	"Affair Weather Friends"	Robert Alvarez and Eric Pringle	Cindy Morrow and Lauren Faust	Vaughn Tada	September 13, 2007 (2007-09-13)	508
A rich kid named Barry Bling comes to Foster's, and Mac and Bloo introduce him to all of the imaginary friends. After seeing all of the friends, Barry wishes to adopt Bloo, but Mac tells him that Bloo is not up for adoption. Bloo, however, begins sneaking over to Barry's house in order to play with his automatic paddle ball machine. When Mac goes to pick up Bloo, he soon finds out the shocking truth about Barry.
62	9	"Ticket to Rod"	Robert Alvarez and Eric Pringle	Darrick Bachman	Ed Baker	October 5, 2007 (2007-10-05)	510
Bloo, Frankie, and Madame Foster are tangled up in a chaotic series of events when Frankie wins tickets to the premiere of a new action movie starring Rod Tango.
63	10	"Nightmare on Wilson Way"	Robert Alvarez and Eric Pringle	Darrick Bachman	Kelsey Mann	October 12, 2007 (2007-10-12)[22]	509
Bloo tries the old peanut brittle can filled with snakes trick, thinking it as the ultimate Halloween prank after strapping Mac to his bed, thus not allowing him to go trick-or-treating because of his regular sugar rushes. However, when Mr. Herriman tries it, Bloo thinks it has gone awry, and Herriman becomes a zombie, with the others also becoming undead later on through the episode. However, everyone was just pretending to be zombies and it was a prank set up for Bloo.
64	11	"Better Off Ed"	Robert Alvarez and Eric Pringle	Darrick Bachman	Vaughn Tada	October 19, 2007 (2007-10-19)	511
Eduardo tells some little white lies to the nursery residents of Foster's, and now has to cover his tracks so they cannot catch up to him.
65	12	"The Little Peas"	Robert Alvarez and Eric Pringle	Darrick Bachman and Lauren Faust	Kelsey Mann and Vaughn Tada	November 22, 2007 (2007-11-22)	512
This episode tells the story of "The Big Cheese" through the eyes of a one-inch tall imaginary friend named Peas, detailing how he helped Frankie turn a negative into a positive.
66	13	"Let Your Hare Down"	Robert Alvarez and Eric Pringle	Rob Renzetti	Ed Baker	March 6, 2008 (2008-03-06)	513
A plan to have Mr. Herriman mellow out backfires as conditions at the home start to deteriorate.

Season 6 (2008–09)

No. overall	No. in season	Title	Animation direction by	Written by	Storyboard by	Original release date [23]	Prod. code [8]
67	1	"Jackie Khones and the Case of the Overdue Library Crook"	Robert Alvarez and Eric Pringle	Darrick Bachman	Ed Baker	March 13, 2008 (2008-03-13)	601
Mac seeks the aid of Jackie Khones to find out who stole his library card and used it to check out a now-overdue book.
68	2	"Mondo Coco"	Robert Alvarez and Eric Pringle	Rob Renzetti	Kelsey Mann	April 10, 2008 (2008-04-10)	602
Coco escapes from Foster's, and a chain of events has her on adventures all over the world.
69	3	"Pranks for Nothing"	Robert Alvarez and Eric Pringle	Darrick Bachman and Lauren Faust	Ed Baker	April 24, 2008 (2008-04-24)	603
A termite infestation at Foster's forces Mr. Herriman to move the Friends into a hotel for the night. While at the hotel, Bloo, being rambunctious, gets out of hand, disobeying all of Mr. Herriman's rules. To get rid of him, Wilt, Eduardo, and Coco play a prank on Bloo, though Mr. Herriman believes Bloo did it. Bloo, angry at Coco, challenges her to a prank war, turning the night into an outrageous chain of pranks.
70	4	"Bloo Tube"	Robert Alvarez and Eric Pringle	Rob Renzetti	Vaughn Tada	May 8, 2008 (2008-05-08)	604
When rain forces them to cancel their trip to a water park called Monsoon Lagoon, the gang decide to have their own fun, by making videos and uploading them to ViewTube (a parody of YouTube), while Bloo is constantly sulking because of their canceled trip.
71	5	"Race for Your Life Mac and Bloo"	Robert Alvarez and Eric Pringle	Mitch Larson and Craig McCracken	Ed Baker	May 29, 2008 (2008-05-29)	605
Bloo becomes tired of always losing to Mac at everything, so one day at the Prize Hive, he challenges Mac to a thirty-mile race back to Foster's.
72	6	"Destination: Imagination"[nb 4]	Robert Alvarez and Eric Pringle	Lauren Faust and Tim McKeon	Vaughn Tada, Ed Baker, Rob Renzetti, Ben Balistreri, and Kelsey Mann	November 27, 2008 (2008-11-27)	611
73	7						612
74	8						613
Frankie is tired of working without being thanked. One day, a toy box is discovered at Foster's front door. Frankie is ordered to take it to the attic and leave it alone, but she knows there is an imaginary friend trapped inside, and opens the box to find it. When she looks inside, she falls into a strange imaginary world. There, she gets treated like a princess by a mysterious imaginary friend, World (as named by the crew). After tackling certain bizarre toy box trials and tribulations, Bloo, Mac, Wilt, Eduardo, and Coco discover Frankie's whereabouts and set out to rescue her from this strange world. Note: This episode shares release dates with the My Gym Partner's a Monkey special "A Thanksgiving Carol".
75	9	"The Bloo Superdude and the Great Creator of Everything's Awesome Ceremony of Fun That He's Not Invited To"	Robert Alvarez and Eric Pringle	Darrick Bachman and Craig McCracken	Kelsey Mann and Vaughn Tada	May 3, 2009 (2009-05-03)[nb 5]	606
In the sequel to "The Bloo Superdude and the Magic Potato of Power!", Bloo must set out on a quest if he wishes to attend a ceremony honoring The Great Creator of Everything (Mac). In reality, Bloo is sick, delirious and hallucinating, making him think he is the Superdude when he is only running around the house trying to get and Mac's birthday party outside.
76	10	"Bad Dare Day"	Robert Alvarez and Eric Pringle	Darrick Bachman	Ed Baker and Vaughn Tada	May 3, 2009 (2009-05-03)[nb 6]	607
A little dare between Mac and Bloo turns into a huge daring competition between the house members once Madame Foster gets involved.
77	11	"Read 'Em and Weep"	Robert Alvarez and Eric Pringle	Rob Renzetti	Rob Renzetti and Vaughn Tada	May 3, 2009 (2009-05-03)[nb 7]	608
Bloo is sad about Eduardo getting adopted and holds auditions to get an alternate one; meanwhile, the residents get letters from those that were adopted in another Adopt-a-Thought Saturday.
78	12	"Fools and Regulations"	Robert Alvarez and Eric Pringle	Tim McKeon	Ed Baker	May 3, 2009 (2009-05-03)	609
Frankie and Mr. Herriman are hosting an important party in the foyer to raise funds for the house, so Frankie tells Bloo, Wilt, Eduardo, and Coco to either stay upstairs or outside. After a series of ridiculous deciding, they choose to stay upstairs, but after being there for a while, they get bored and decide to go outside. Nothing bad happens until Mac comes with video games and they realize they are stuck outside. The situation becomes chaotic as they try to get inside and end up ruining things for Mr. Herriman and Frankie.
79	13	"Goodbye to Bloo"	Robert Alvarez and Eric Pringle	Darrick Bachman and Tim McKeon	Ed Baker and Vaughn Tada	May 3, 2009 (2009-05-03)	610
Mr. Herriman explains that Mac is moving; Bloo decides to give him the best day ever, though things do not go as he planned. Through the entire day, Mac does things with everyone but Bloo, making him angrier and more emotionally hurt after every disappointment. He also gets more pressured every time the clock announces the hour. However, to everyone's surprise and relief (and Mr. Herriman realizes he forgot to mention this), it turns out Mac is moving to an apartment just next door that was held by Louise's family. On a less happy tone for everyone at Foster's, Cheese ends up moving in because Louise's new home does not allow imaginary friends. The show ends with the house slowly being erased as the beginning of the show's theme song plays in reverse. Cheese then says a final goodbye to the audience, ending the series.

Home media releases

Foster's Home for Imaginary Friends home media releases

Season		Title	Release date
			Region 1	Region 2	Region 4
	1	Codename: Kids Next Door: Sooper Hugest Missions: File One	October 26, 2004	May 15, 2006	February 13, 2008
			March 12, 2013 (Hall of Fame #2)
		Sweet Sweet Fear	September 12, 2006
		Christmas #3	October 3, 2006
		The Complete First Season	March 6, 2007		March 6, 2007
			March 12, 2013 (Episodes 5 and 8–11 in Hall of Fame #2)
		Mash-Up		August 10, 2009
	2	Fridays	September 19, 2006
		The Complete Second Season	September 11, 2007		September 11, 2007
	3	The Complete Third Season	November 12, 2014 (manufacturing-on-demand)		May 5, 2010
The Complete Series box set			October 18, 2022

Notes

1. 14 segments; the episode "Seeing Red / Phone Home" contains two 11-minute segments
2. 15 segments; the episodes "Where There's a Wilt, There's a Way / Everyone Knows It's Bendy" and "Sight for Sore Eyes / Bloo's Brothers" contain two 11-minute segments
3. This episode was the first of five chapters for a special network event titled "Cartoon Network Invaded", a month-long event that featured five different shows having alien invasions.
4. "Destination: Imagination" has a TV-PG rating rather than the show's usual TV-Y7 rating. This is due to the movie having some darker scenes for the younger audience of the show.
5. This episode first premiered on February 22, 2009 in Europe.
6. This episode first premiered on February 28, 2009 in Europe.
7. This episode first premiered on March 1, 2009 in Europe.