Challenge of the Yukon — 1948
83 episodes broadcast in 1948.
A newcomer who brought his grandmother to the Yukon is oddly present whenever a big poker game ends in robbery.
When a fur thief turns violent -- beating a pup and carrying off young Billy Sanders -- Preston and King take up the chase.
Chris James owns the Klondike Palace, and Ann Gordon badly needs the job he can offer.
Emma Sheffler arrives in Dawson to meet her nephew, and Preston must break the news that Bob Sheffler is dead.
April 3, 1948
Scent of Murder
April 17, 1948
The Lesson
On the boat up to Dawson, a card sharp fleeces a prospector of his whole grubstake, touching off a tangled scheme.
May 1, 1948
False Alibi
May 8, 1948
The Mail Robbery
May 15, 1948
The Million Dollar Case
May 22, 1948
Murder at the Eldorado
May 29, 1948
The Rainbow Claims
June 5, 1948
Starvation Camp
June 19, 1948
The Sweetwater Fire
A man robbed of $25,000 in gold dust is then framed for the theft, leading to a tense showdown on the river ice.
July 3, 1948
King of the Castle
July 17, 1948
The Wolf Dog
July 24, 1948
Pit of Disaster
July 28, 1948
Canyon Trap
August 4, 1948
The Tattooed Star
August 11, 1948
King's Revenge
August 18, 1948
Vindication
August 25, 1948
Rusky
September 1, 1948
The Champion
After Scar Edwards is gunned down, Jim Richards begs his sister's help before fleeing town.
A man's dog and daughter are kidnapped before the big race, and Preston switches dogs in a complex counter-plot.
September 10, 1948
King's Feud
September 13, 1948
Fraud
Muldoon means to open a store to rival Edgar Tazewell -- but the last three men who tried met with fatal 'accidents.'
A Selkirk doctor is haunted by a gambler from his San Francisco past who forces him to operate while betting against him.
Two claim jumpers scheme to take a dead man's claim from his widow, with only her endangered son in the way.
A whaler's mad captain endangers his whole crew, and Preston must learn why he is acting so strangely.
After old Ben and his grandson are robbed, Preston enlists his old friend to help trap the badmen.
Shot and left with amnesia, Sergeant Preston is himself accused of murder.
A wealthy woman who learns money can't buy happiness gives her fortune to Father John, a man with a strange secret.
Wounded when a dynamite charge drops a cabin on him, Preston is aided by a doctor whom Race Calhoun has cheated of $10,000.
A mysterious gang has been robbing the Yukon's mines, and Preston takes on all four members single-handed -- with King's help.
Constable Halliday is torn between the woman he loves and his sworn duty to arrest her outlaw brother.
A flashback explaining King's disgrace, after Preston is shot by a red-haired man.
Henpecked Shorty Wilkins is framed for murder, and his formidable wife Kate nearly tears the town apart to clear him.
With Taranga's band rising up, Preston -- trailing two robbers -- is trapped, and King is sent for reinforcements.
A crooked lawyer schemes to swindle a newly arrived young couple out of the gold mine that is rightfully theirs.
A constable and his dog Shadow join Preston on a shooting case; when the constable is murdered and Shadow wounded, Preston and King run down the killers.
Bled by Carstairs' lawsuits, the miners hatch a plan to rob him so they can afford to fight back.
A boy drawn to King is torn because his own father pulled the bank robbery Preston is investigating.
Preston finds a St. Bernard living in the wild with a blind wolf, while a bent-nosed robber hits the Dawson bank.
Bringing mail to a ship locked in the ice, Preston is caught aboard when the crew mutinies over news of the Klondike gold strike.
A hidden treasure found in the far north is followed by murder, which Preston and King unravel with sharp detective work.
A trading-post owner has had a heart attack -- but something is wrong, and the fur pelts have gone missing.
A paroled man staked to a Pelican Creek claim by his sister instead sets out hunting his father's killer.
A half-breed and a supposedly kindly uncle secretly try to kill young miner Ned Johnson, having already dynamited his father.
'Big Mike' Rafferty rules by force -- attempted murder, claim jumping, and bullying -- until it ends in a rousing fistfight.
A father and son who plan a Yukon sawmill are opposed by Big Frank Canute, who wants the timber rights, with a bar-girl schoolteacher in the mix.
Famed opera singer Rosa Cavalari arrives in Dawson seeking three particular people, and amid a swindle and a fire King tears the fuse from a lit stick of dynamite.
The meanest crooks around plant a time bomb in a trail cabin, expecting Preston and King -- and finding the bomb is only the start.
When Rita O'Day vanishes from a boarding house, Preston and King find she has been seized by outlaws ready to kill.
Sent after Frank Marlow's murderous gang near Dawson, Preston sets a trap that fails -- and King saves the day.
A newspaper editor out to expose a stamping-mill fraud is kidnapped, and Preston is caught in a bear trap.
Siblings Alexandria and Nicky Carr enlist Preston to trace a stolen 25-carat emerald, hidden from view under a coating of pure gold.
A little girl mistakes Preston's red Mountie coat for Santa's suit -- with good reason -- in a warm Christmas tale.
An aging sled dog past his prime and a vicious wolverine plague a trapper, until King kills the beast and lets the old dog take the credit.
A wounded man is framed for murder, and the woman who loves him gives up his hiding place to Sergeant Preston.
A poor miner refused credit is framed for robbery and murder, and King trails him to the cabin where both were done.
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