| No. |
Title |
Directed by |
Written by |
Original air date |
| 1 | "Nest of Vipers" | Godfrey Grayson | Unknown | January 30, 1960 (1960-01-30) |
| 2 | "The Feathered Friend" | Godfrey Grayson | Unknown | February 6, 1960 (1960-02-06) |
| 3 | "Soul Peddlers" | Max Varnel | George St. George | February 13, 1960 (1960-02-13) |
| 4 | "Odds on Murder" | Godfrey Grayson | Eldon Howard | February 20, 1960 (1960-02-20) |
| 5 | "The Key Witness" | Godfrey Grayson | Unknown | February 27, 1960 (1960-02-27) |
| 6 | "Escape Route" | Ernest Morris | Stanley Miller | March 5, 1960 (1960-03-05) |
| 7 | "All the Dead Were Harrisons" | Godfrey Grayson | Unknown | March 12, 1960 (1960-03-12) |
| 8 | "Love by Extortion" | Montgomery Tully | Brian Clemens | March 19, 1960 (1960-03-19) |
| 9 | "The Dollmaker" | Robert Lynn | Unknown | March 26, 1960 (1960-03-26) |
| 10 | "No Other Way" | Ernest Morris | Eldon Howard | April 2, 1960 (1960-04-02) |
| 11 | "The Trap" | Godfrey Grayson | Brian Clemens | April 9, 1960 (1960-04-09) |
| 12 | "The Men Who Sold Hope" | Robert Lynn | Brian Clemens | April 16, 1960 (1960-04-16) |
| 13 | "The Murder Racket" | Godfrey Grayson | Unknown | April 23, 1960 (1960-04-23) |
| 14 | "Death Via Parcel Post" | Montgomery Tully | Mark Grantham | January 30, 1960 (1960-01-30) |
| 15 | "Out of Thin Air" | Montgomery Tully | Brian Clemens | February 6, 1960 (1960-02-06) |
| 16 | "The Case of Mike Krello" | Montgomery Tully | Eldon Howard | July 16, 1960 (1960-07-16) |
| 17 | "Killer with a Long Arm" | Montgomery Tully | Brian Clemens | May 21, 1960 (1960-05-21) |
| 18 | "Murder in the Smart Set" | Montgomery Tully | Mark Grantham | May 28, 1960 (1960-05-28) |
| 19 | "The Front Man" | Unknown | Unknown | June 4, 1960 (1960-06-04) |
| 20 | "Murder Below Decks" | Montgomery Tully | Mark Grantham | June 11, 1960 (1960-06-11) |
| 21 | "International Diamond Incident" | Montgomery Tully | Unknown | June 18, 1960 (1960-06-18) |
| 22 | "The Last Words" | Godfrey Grayson | Brian Clemens | June 25, 1960 (1960-06-25) |
| 23 | "The Maharajah of Den" | Peter Curran | Eldon Howard | July 2, 1960 (1960-07-02) |
| 24 | "Diplomatic Courier" | Montgomery Tully | Howard Eldon | July 9, 1960 (1960-07-09) |
| 25 | "Inside Job" | Godfrey Grayson | Brian Clemens | July 16, 1960 (1960-07-16) |
| 26 | "A Woman in Paris" | Montgomery Tully | Eldon Howard | July 23, 1960 (1960-07-23) |
| 27 | "Mistaken Identity" | Godfrey Grayson | Brian Clemens | July 30, 1960 (1960-07-30) |
| 28 | "Man Alone" | Max Varnel | Brian Clemens | August 6, 1960 (1960-08-06) |
| 29 | "Missing Child" | Max Varnel | Eldon Howard | August 13, 1960 (1960-08-13) |
| 30 | "The Big Thirst" | Godfrey Grayson | Unknown | August 20, 1960 (1960-08-20) |
| 31 | "My Brother's Keeper" | Godfrey Grayson | Unknown | August 27, 1960 (1960-08-27) |
| 32 | "Death in Oils" | Godfrey Grayson | Mark Grantham | September 3, 1960 (1960-09-03) |
| 33 | "Multi-Murder" | Godfrey Grayson | Brian Clemens | September 10, 1960 (1960-09-10) |
| 34 | "Latest Fashions in Crime" | Godfrey Grayson | Unknown | September 17, 1960 (1960-09-17) |
| 35 | "The Act of Murder" | Godfrey Grayson | Unknown | September 24, 1960 (1960-09-24) |
| 36 | "The Child of Eve" | Godfrey Grayson | Unknown | October 1, 1960 (1960-10-01) |
| 37 | "Tight Secret" | Godfrey Grayson | Ken Taylor | October 8, 1960 (1960-10-08) |
| 38 | "The Big Racket" | Godfrey Grayson | Brian Clemens | October 15, 1960 (1960-10-15) |
| 39 | "The Golden Shirri" | Montgomery Tully | Mark Grantham | October 22, 1960 (1960-10-22) |