Season
- Season 3 1957-10-03
- Season 2 1956-09-13
- Season 1 1955-09-29
Episode
- Episode 1: Old Ben's Gold
- Episode 2: The Rebel Yell
- Episode 3: The Mark of Crime
- Episode 4: Storm the Pass
- Episode 5: The Skull in the Stone
- Episode 6: Ghost Mine
- Episode 7: The Jailbreaker
- Episode 8: Out of the Night
- Episode 9: Lost River Roundup
- Episode 10: The Old Timer
- Episode 11: Battle at Bradley's
- Episode 12: The Generous Hobo
- Episode 13: Follow the Leader
- Episode 14: Gold Rush Patrol
- Episode 15: The Diamond Collar
- Episode 16: Escape to the North
- Episode 17: Boy Alone
- Episode 18: The Criminal Collie
- Episode 22: The Criminal Collie
Sergeant Preston of the Yukon Season 3 Boy Alone
Canadian Mountie Sgt. Preston patrols the wilds of the Yukon with his horse Rex and his faithful dog Yukon King, battling both the elements and criminals.
