Challenge of the Yukon — 1947
50 episodes broadcast in 1947.
Suspecting Joe Cready of mail robbery, Preston dons a false beard and carries the mail himself to draw the thief out.
A Mountie is killed and his dog wounded so a hardened criminal and his partner can impersonate the dead officer.
While tracking two dog thieves, Preston tries to teach two children when a promise should -- and shouldn't -- be kept.
A man has a gold tooth fitted for his dog, setting off a murder, and the dentist turns out to be the killer.
In a flashback, a pet bear named Brownie brings trouble to two friends near Selkirk.
A miner blinded in an accident sends for his nephew, but an imposter arrives instead to steal his gold.
Twice a man tries to shoot King; when Preston forces him to swap coats, a murder plot unravels and three killers are caught.
A miner is murdered and eight-year-old Joan kidnapped, later found living with a hermit.
Rusty Blake, who murdered a Mountie, has sworn he will never be taken alive.
Gold nuggets worn as a necklace by an Eskimo woman touch off a murder in her village.
A poor fourteen-year-old boy manages to get a dog as a 'birthday present' for his mother.
In a flashback, King saves a young Indian boy, White Eagle, from the gallows.
Two crooks bear-nap a friendly performing bear to run a rigged bear-versus-dog scam.
A flashback tells how Big John was double-crossed by his own brother.
A bank cashier is murdered and the gold stolen, but a torn sleeve -- spotted by a faithful dog -- gives the killer away.
Fed up with poachers, old Henry catches an albino lynx and is killed by two trappers who claim self-defense.
Accused of cheating at cards, a man with a hidden diamond is murdered, and an innocent man takes the blame.
May 7, 1947
The Maniac
Two men seize a miner's claim and plot to kill his young son.
May 21, 1947
The Lost Mitten
Zeke Bailey is murdered and the killer leaves a red mitten behind -- the last episode of the show's regional fifteen-minute run.
A trapper nurses a dying wolf cub named Slash, and years later the wolf repays him -- the show's first national half-hour, with Paul Sutton now as Preston.
An old miner is ambushed and killed for his gold, and Preston's pursuit brings him up against a bear-sized simpleton devoted to his dog.
A bear cub given to young Bobby leads to the boy's kidnapping by cruel Beaver Bill.
A young pup helps Preston track two bank robbers, one of whom lets his partner freeze to death at sixty-five below.
July 5, 1947
The Puppy
Crazy old 'Scorpion Sam' shoots at all comers, but when he dies in a fire his hidden fortune in gold at last finds a good home.
A wanted killer missing part of an ear is a former circus sharpshooter -- and so, it turns out, is a pretty young woman.
A pup with a habit of making things vanish solves a mystery involving two miners out to steal a grubstake.
A murder and robbery grow harder to untangle amid an outbreak of diphtheria.
A partner reports Dave Nelson's death just before their mine strikes it rich, and a birthday puppy helps solve the mystery.
A dishonest miner murders a Frenchman who caught him salting a mine, then escapes custody swearing to kill Preston.
The only witness to a prospector's murder is a puppy that tore a piece from the killer's red parka.
A newly rich man is robbed and nearly drowned by a false friend, while Preston, trailing a murderer, takes a bullet.
Five thousand dollars raised for an Indian mission awaits a priest who, when he arrives, is not Father McCarthy at all.
His food gone, his cabin burned, and his wife left for dead, trapper Bob Andrews vows to hunt down the man responsible himself.
Two men rob a trading post and kill its owner, then swap clothes with Preston to frame him -- until Yukon King saves the day.
A poor boy given a runt pup must later sell the grown dog for his sick mother, and bank robbers steal Duke for a getaway.
A dance-hall girl is courted by a limping man who is really a murdering thief -- no match for the dancer and her wicked brother.
A blind miner who inherited $50,000 has his beloved dog Rex dognapped and held for $10,000 ransom.
A dying miner asks Preston to bury a sealed envelope in his coffin, while Cora Wilkins schemes for his gold.
Cast out of a gang after a priest's murder, a weak member is helped on the trail by Preston -- and King is kidnapped and shot.
A trapper who wants to run a gold mine is the mark for two con men with just the mine to sell him.
'Fishy Freddy' finally gets his piano shipped to Dawson, but a bully named Red is no lover of music.
An Irish couple and their wolfhound come to work an uncle's gold mine, where two men plot to kill them all and seize it.
A poker winner is murdered for his gold, and a deck of marked cards is the key to the killings.
Rescued by an Eskimo with no love for white men, Preston slowly wins the man's trust in the Mounties.
A dishonest nephew cut from his uncle's will schemes -- with Father McLain and an old dog caught up in it -- to steal the new one.
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