Thirty-one episodes were produced in the first season of the series.
1. The Monster (19 September 1965)
2. Image In A Cracked Mirror (26 September 1965)
3. A Mouthful Of Dust (3 October 1965)
4. Slow March Up A Steep Hill (10 October 1965)
5. The Insolents (17 October 1965)
6. To Free My Enemy (24 October 1965)
7. The Problem Of The Honorable Wife (31 October 1965)
8. Courage Of A Conviction (7 November 1965)
9. The Exiles (14 November 1965
)
10. The Giant Killer (21 November 1965)
11. All The Streets Are Silent (28 November 1965)
12. An Elephant Is Like A Rope (5 December 1965)
13. How To Murder An Iron Horse (12 December 1965)
14. Pound Of Flesh (19 December 1965)
15. The Hijackers (26 December 1965)
16. The Forests Of The Night (2 January 1966)
17. The Chameleon (9 January 1966)
18. The Sacrifice (16 January 1966)
19. Special Delivery (23 January 1966)
20. Quantico (30 January 1966)
21. The Spy Master (6 February 1966)
22. The Baby Sitter (13 February 1966)
23. Flight To Harbin (27 February 1966)
24. The Man Who Went Mad By Mistake (6 March 1966)
25. The Divided Man (20 March 1966)
26. The Defector, Part I (27 March 1966)
27. The Defector, Part II (3 April 1966)
28. The Tormentors (10 April 1966)
29. The Animal (17 April 1966)
30. The Plunderers (24 April 1966)
31. The Bomb That Walked Like A Man (1 May 1966)
