1. All for a Couple of PoniesAired: Jan 23, 1965Marker embarks on a desperate quest to clear his name after being falsely acc...
2. Nobody Kills Santa ClausAired: Jan 30, 1965A wealthy businessman is haunted by sinister threats, prompting Marker to ass...
3. They Go Off in the End, Like FruitAired: Feb 6, 1965Marker's decision to accept a 10% finder's fee to repossess a client's car ba...
4. Dig You LaterAired: Feb 13, 1965A private investigator is hired to locate a missing office receptionist, who ...
5. I Went to Borrow a Pencil, and Look What I FoundAired: Feb 20, 1965Marker becomes entangled in a complex web of doubt as he agrees to investigat...
6. But the Joneses Never Get LettersAired: Feb 27, 1965Marker takes on a new assignment to monitor Mr. Hordern's daughter's apartmen...
7. A Harsh World for ZealotsAired: Mar 6, 1965A shop assistant's alleged theft of funds sets off a chain of baffling events...
8. 'And a Very Fine Fiddle Has He'Aired: Mar 13, 1965A private investigator becomes entangled in a complex case involving blackmai...
9. My Life - That's a MarriageAired: Mar 20, 1965The search for answers about George's sudden departure from Alice's life unco...
10. You Think It'll Be Marvellous - But It's Always a RabbitAired: Mar 27, 1965Marker investigates a hit-and-run case after James Sale, a hospital patient, ...
11. Protection Is a Man's Best FriendAired: Apr 3, 1965A detective delves into a complex case of extortion at a betting shop, balanc...
12. The Morning Wasn't So HotAired: Apr 10, 1965Teenagers from rural areas are drawn to London's vibrant city life, but soon ...
13. You Should Hear Me Eat SoupAired: Apr 17, 1965A menacing figure from Marker's past arrives unexpectedly, prompting a franti...
14. You Have to Draw the Line SomewhereAired: Apr 24, 1965A solicitor's seemingly perfect marriage is exposed to be troubled, and Marke...
15. Have It on the HouseAired: May 1, 1965A skilled tracker is tasked with tracking down a clever military operative wh...