Community is an American television sitcom created by Dan Harmon that ran for 110 episodes. The show, set at the fictional Greendale Community College, depicts the on-campus exploits of a close-knit study group. In the pilot, the main cast members are Joel McHale, Gillian Jacobs, Danny Pudi, Yvette Nicole Brown, Alison Brie, Donald Glover, and Chevy Chase. Ken Jeong joined the main cast starting with the second episode, and Jim Rash was promoted to the main cast at the start of the third season. John Oliver, Jonathan Banks, Paget Brewster, and Keith David also played major roles throughout their stints while not actually being credited among the main cast. The series also features recurring characters, mainly fellow students or teachers at Greendale.