1 ฤดูกาล
26 ตอน
Colonel March of Scotland Yard - Season 1 Episode 12
A scientist conducting cancer research is convinced that his test monkey was not only stolen but replaced. He is later found dead from gas, and Colonel March must prove if it was suicide or not.
- ประเทศ : United Kingdom
- ประเภท : Drama
- ผู้อำนวยการ : John Dickson Carr
- นักแสดง : Boris Karloff, Ewan Roberts, Eric Pohlmann