Season 1
28 episodes · premiered Sep 17, 1966
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E1 Pilot
IMF team leader Dan Briggs assembles his team for the first time. The mission: to recover two nuclear warheads belonging to General Rio Dominguez from a hotel vault in Santa Costa.
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E2 Memory
The IMF must undermine "the Butcher of the Balkans", Janos Karq, by having his head of security capture an agent, Sparrow, who will then incriminate Karq.
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E3 Operation Rogosh
Imry Rogosh is a mass murderer who kills to forment political upheaval. He is targeting Los Angeles, so the IMF knock him out in a car accident. When Rogosh "wakes up" he is in a cell in a prison in his own country, three years later, and ready to be executed as an American agent.
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E4 Old Man Out (1)
The IMF team goes in as a circus team to rescue Anton Cardinal Vossek, who is being held in the impregnable Seravno Prison. Vossek is the leader of the country's freedom movement, in rebellion against Colonel Scutari, and is awaiting a fake trial before execution.
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E5 Old Man Out (2)
Rollin manages to avoid the guards and escape, but Vossek is moved to a new cell in solitary confinement. Briggs comes up with a new plan and manages to relay it to the imprisoned Rollin.
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E6 Odds on Evil
Prince Iben Kostas plans to use his money to finance a war. Infiltrating his casino, the IMF team goes to work.
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E7 Wheels
In the country of Valeria, the IMF must assure that the corrupt Nationalist party's rigged voting machine doesn't give them the election.
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E8 The Ransom
Mobster Frank Egan kidnaps the daughter of Dan's friend and uses her as a hostage to force Dan and the team to break out a key witness, Augie Gorman, against him.
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E9 A Spool There Was
Rollin and Cinnamon go it alone to recover a reel of recording wire containing information on a chemical warfare project aimed at the U.S.
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E10 The Carriers
Enemy agent Janos Passik is preparing to train 200 foreign agents to infiltrate the U.S. and engage in some form of bacteriological warfare.
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E11 Zubrovnik's Ghost
The wife of a deceased scientist, Kurt Zubrovnik, is being pressured by Eastern forces to work for them. They are using a phony psychic to convince the wife her dead husband wants to defect!
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E12 Fakeout
Anastas Poltroni is the head of an international narcotics syndicate, and has taken refuge in a country with no extradition treaty. The IM Force is assigned to lure him out without kidnapping him (to avoid the publicity).
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E13 Elena
Double-agent Elena Del Barra is acting bizarrely, sending a microfilm of defense secrets from her own country. Rollin is sent in to investigate, and return the microfilm without its theft ever being detected. Complicating matters is that an assassin, Callao, has been sent to kill her if Rollin can't figure things out in two days.
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E14 The Short Tail Spy
A defector has been targeted by two rival groups from the same foreign country. The team is to discredit the younger group, so that the U.S. can more easily handle the old-line group.
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E15 The Legacy
The IMF must get hold of a horde of Nazi gold through four young men, sons of Hitler's top aides, who are sent to Switzerland to meet for the first time and pool their parts of the "puzzle" together.
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E16 The Reluctant Dragon
Dr. Cherlotov, a scientist of an enemy power, failed to defect to the West when his wife did. Now that he has developed a cheap, effective anti-ballistic system, the IMF are ordered to get him out. Unfortunately, they find out that Cherlotov doesn't wasn't to defect: he merely wants to convince his superiors he is loyal and live out his life.
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E17 The Frame
Gangster Jack Wellman is moving syndicated crime into politics, killing off certain politicians and replacing them with men more sympathetic to the Syndicate.
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E18 The Trial
Josef Varsh plans to put an American on trial on false charges, discredit the West, and gain power.
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E19 The Diamond
Henrik Durvard has taken over the country of Lombounda by military coup, and holds the natives in terror. He has obtained a diamond from the native miners, and the IMF are assigned to take it away from him.
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E20 The Legend
An imprisoned member of the Nazi party, Herbert Raynor, is released from prison and is being flown (along with his daughter) to Puerto Huberra in South America, along with other Nazis. All of them are being flown there by an unknown benefactor.
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E21 Snowball in Hell
A former prison guard, Sefra, has got hold of a supply of cesium 138, which explodes at temperatures above 70 degrees. Sefra plans to sell the sample and the formula from the closed-down prison base where he once worked.
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E22 The Confession
Andreas Solowiechek, a member of a Communist trade delegation, is arrested after assassinating a U.S. Senator, Townsend. Townsend's backer, McMillan, is rallying his supporters for the U.S. to break off all trade talks with the Russians.
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E23 Action!
Miklos Klaar, an Iron Curtain filmmaker, has film of American soldiers and plans to edit it into an atrocity movie to discredit the U.S.
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E24 The Train
Prime Minister Larya of Svardia is working to establish democracy, but is unaware that his personal protégé, Deputy Premier Pavel, plans to set up a dictatorship. The team must persuade Larya of Pavel's plans.
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E25 Shock
Enemy operative Kiri has kidnapped U.S. envoy Carl Wilson and has an imposter, Gort, who is impersonating him to discredit a U.S. trade agreement. The team have to rescue Wilson and foil the impersonation before Kiri kills Wilson.
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E26 A Cube of Sugar
Vincent Deane is a jazz musician and undercover U.S. intelligence operative who has memorized the plans to a microcircuit code but was then captured and imprisoned. The IMF must get him out.
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E27 The Traitor
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E28 The Psychic
An investment promoter, Alex Lowell, gained control of NATO top-secret defense hardware and absconded to South America to sell them to enemy powers. The IMF needs to recover the stock documents worth $80 mil.