Season 4 Episodes
1. Murder Lays the Odds
2. Model for Murder
3. The Toy Dagger Murder
4. One Minute for Murder
There appears to be three prime suspects in the backstage of a theater where the murder of a blackmailing gossip columnist is committed. Sergeant Lane heads up the investigation when Detective Rocky King is ill with food poisoning.
5. Vagrant C-Note
6. Personal Vendetta
Rocky is called to a rooming house because of a mystery involving three of the lodgers.
7. Death has Dark Hands
Famed chemist Dr. Sloan is found murdered and Rocky has three suspects to interview. Sloan's secretary Miss Merrick has been bequeathed the deceased man's estate and Rocky zeros in on the lady.
8. Murder, Ph.D.
Three hours before Dayton Merrill is to be executed for murder, Inspector King receives a taunting phone call from a man who claims to have really committed the crime. Unable to get a stay of execution based on the man's confession, King and Detective Lane must re-investigate the crime and find sufficient evidence to save an innocent man's life.
9. Murder by Natural Death
10. Cop Killer
11. Sucker Bait
12. Recoil
13. Death Does a Double Take
14. Prowler in the Night
15. The Stain of Murder
16. Double Jeopardy
17. Docked for Murder
18. Double Cross
19. The Grapevine
20. Checkmate
21. Canceled Out
22. The Pay Off
23. The Gentle Murder
24. The Needle's Eye
25. Stranger's Doom
26. King's Gambit
27. The Abandoned House
28. The Fatal Sign
29. Arsenic for Two
30. The Lethal Ratio
31. Murder Goes to College
32. Ordeal by Fire
33. Caged
34. Thy Will Be Done
35. The Trunk
36. The Old Mansion
37. Win, Place and Murder
38. Playback
39. The Ledger
40. Room Service
A hotel guest is found murdered and Rocky is called to the scene to decipher to the case.
41. Door to Happiness
A member of a dating club is found dead and Rocky gets the case. His suspicions are aroused when he learns the deceased man was recently engaged to the secretary of the lonely hearts organization.
42. Dead Weight
One of three owners of a radioisotope factory is killed and Rocky must uncover the culprit plus the reason for the crime.
43. Deadly Target
A bodyguard of a wealthy industrialist is murdered and the police are called. Rocky must determine who the actual intended victim was before the case can precede.
44. Hook, Line & Sinker
A wealthy fisherman who was an expert is pulled from a boat and drowned. Rocky thinks it's murder with three possible suspects; the man's widow, the captain and the deckhand are all questioned.