Sezon 4
Bölümler
1 The Town of No Return 2 Eki 1965 
2 The Gravediggers 9 Eki 1965 
3 The Cybernauts 16 Eki 1965 
4 Death at Bargain Prices 23 Eki 1965 
5 Castle De'ath 30 Eki 1965 
6 The Master Minds 6 Kas 1965 
7 The Murder Market 13 Kas 1965 
8 A Surfeit of H2O 20 Kas 1965 
9 The Hour that Never Was 27 Kas 1965 
10 Dial a Deadly Number 4 Ara 1965 
11 Man-Eater of Surrey Green 11 Ara 1965 
12 Two's a Crowd 18 Ara 1965 
13 Too Many Christmas Trees 25 Ara 1965 
14 Silent Dust 1 Oca 1966 
15 Room Without a View 8 Oca 1966 
16 Small Game for Big Hunters 15 Oca 1966 
17 The Girl From Auntie 22 Oca 1966 
18 The Thirteenth Hole 29 Oca 1966 
19 Quick-Quick Slow Death 5 Şub 1966 
20 The Danger Makers 12 Şub 1966 
21 A Touch of Brimstone 19 Şub 1966 
22 What the Butler Saw 26 Şub 1966 
23 The House That Jack Built 5 Mar 1966 
24 A Sense of History 12 Mar 1966 
25 How to Succeed... at Murder 19 Mar 1966 
26 Honey for the Prince 26 Mar 1966