Season 1
- 1Hot Snow7 Jan 1961
- 2Brought to Book14 Jan 1961
- 3Square Root of Evil21 Jan 1961
- 4Nightmare28 Jan 1961
- 5Crescent Moon4 Feb 1961
- 6Girl on the Trapeze11 Feb 1961
- 7Diamond Cut Diamond18 Feb 1961
- 8The Radioactive Man25 Feb 1961
- 9Ashes of Roses4 Mar 1961
- 10Hunt the Man Down18 Mar 1961
- 11Please Don't Feed the Animals1 Apr 1961
- 12Dance with Death15 Apr 1961
- 13One for the Mortuary29 Apr 1961
- 14The Springers13 May 1961
- 15The Frighteners27 May 1961
- 16The Yellow Needle10 Jun 1961
- 17Death on the Slipway24 Jun 1961
- 18Double Danger8 Jul 1961
- 19Toy Trap22 Jul 1961
- 20Tunnel of Fear5 Aug 1961
- 21The Far Distant Dead19 Aug 1961
- 22Kill the King2 Sep 1961
- 23Dead of Winter9 Dec 1961
- 24The Deadly Air16 Dec 1961
- 25A Change of Bait23 Dec 1961
- 26Dragonsfield30 Dec 1961