Season 1

1. The Bodies

1964-08-18

2. Rearing Its Ugly Head

1964-08-21

3. Campaigners All

1964-08-25

4. How to Make £250,000

1964-08-28

5. The Unspotted Genius

1964-09-01

6. Burnt Umber with Graining

1964-09-04

7. Jam and Maggots

1964-09-08

8. Dead Image

1964-09-11

9. A Reputation Cleared

1964-09-15

10. In for a Penny

1964-09-18

11. The Value of Silence

1964-09-22

12. A Proposal of Marriage

1964-09-25

13. A Very Important Occasion

1964-09-29

14. Dog Lovers Unite!

1964-10-02

15. A Threat from Outside

1964-10-06

16. Dead Reckoning

1964-10-09

17. Blackmail

1964-10-13

18. The Best Method of Defence

1964-10-16

19. Council of War

1964-10-20

20. A Spy in the Camp

1964-10-23

21. A New Plan

1964-10-27

22. Balance of Power

1964-10-30

23. The Exercise

1964-11-03

24. The Spider's Web

1964-11-06

25. An Important Discovery

1964-11-10

26. The Axe Falls

1964-11-13