The episode opens with a mission already underway in a foreign country. But an unforeseeable accident causes Cinnamon Carter to be captured by the foreign government just as she completes the original mission successfully. With time running out as she's being interrogated by her captors, the rest of the IMF hatches a desperate plan to regain her freedom: break the other country's top spy out of prison in the West, try to trick him out of the information he's holding, and then offer to exchange him for Cinnamon.
Walter Townsend, an enemy agent working in the U.S., has been allowed to obtain false information that, if believed by his home country, will cause its leaders grave embarrassment (and discredit Townsend). But another spy from Townsend's home country also working in the U.S., George Simpson, tells his superiors that the information supplied to Townsend is false. Because Simpson and Townsend are known to be rivals, their home country sends its most brilliant agent, Stefan Miklos, to determine the truth or falsity of the information Townsend supplied. The IMF's job is ...
Rollin takes the place of a human test subject for a type of meningitis being developed into a weapon. Cinnamon approaches Dr. Beck, the mercenary scientist in charge of the project, with a better offer if he'll work for her. Meanwhile, Phelps and Barney work to convince Beck's government monitor (Captain Onli) that the scientist has already accepted the counteroffer and has decided to kill him and a military representative with his bio-weapon.
The key witness in the trial against mob boss Constantine Victor, aka "Mr. V," has been killed. Only Victor's close friend, casino manager Johnny Costa knows enough to send Victor to prison for life. The IMF have 24 hours to convince Costa that he's the next name on Mr. V's hit list.
The IMF infiltrate a high tech maximum security prison behind the Iron Curtain to free a resistance leader being held in a glass cell that's continually monitored. Cinnamon's persona of a neurotic bureaucrat distracts the prison commandant, while Barney and Willy stage an abortive prison escape. It's all part of an elaborate scheme to convince prison officials that the freedom fighter in their cell is an imposter.
Industrialist Carl Vandaam claims to have a hydrogen bomb for sale. He invites representatives from a variety of countries and factions to participate in an auction for the device at his company's headquarters. As the bargaining goes on, Barney performs one of his tunnel-crawling assignments, climbing up and down an elevator shaft and then through some lateral access-points to get access to the room where the bomb is housed -- hoping to substitute a dummy unit for a critical part of the bomb's hardware before the sale to an enemy power is completed.
The IMF manipulates a naive intelligence officer in order to free an agent who can expose a deep-cover mole. In addition to rescuing the agent, they create an elaborate ruse to neutralize the Machiavellian security chief who is on the verge of discovering the mole's identity.
In the first of two parts, Dr. Erich Rojak, a brilliant scientist, is being held in an underground bunker containing a laboratory where he is forced to work on a small but extremely powerful long-range missile. If he succeeds, the missile has the potential to change the balance of power between the East and the West. Rojak is cooperating only because his totalitarian government is holding his wife, Anna, and threatens to kill her unless he completes the missile. The IMF's assignment is to rescue Rojak and his wife and to destroy his missile research. But another ...
In the conclusion of the two-part episode, Jim Phelps has taken a position as a security officer at the underground bunker where Dr. Erich Rojak is working on a long-range missile that may change the balance of world power. Unbeknown to the IMF, however, Alexander Ventlos, a professional killer sent by another unfriendly government to kill Dr. Rojak, has already used his disguise talents to infiltrate the bunker. In the meantime, hoping to free Rojak's wife Anna, the IMF has managed to plant Cinnamon Carter in a holding cell near Anna, while Phelps uses a miniature ...
General Zek, a military officer of a Middle Eastern kingdom, bitterly opposes the peace treaty signed by the progressive young king of his nation and a neighboring republic. Zek conspires with a munitions maker to use nitroglycerin to blow up the kingdom's Government House, thereby eliminating the peace-minded king and also provoking war with the republic. The IMF's mission: prevent this terrorist plot, and do so in a way that will ensure General Zek never again threatens the peace.
Anton Valdas, the highest ranking intelligence agent for an enemy power, is believed to possess a master list of Western agents who have defected to his government. Jim Phelps and Rollin Hand take on the mission of retrieving the list. While doing so, however, Phelps is shot and Rollin forced to flee without Phelps. Phelps' recovery and his plans to escape receive an unexpected boost from Nicole Vedette, another enemy agent who risks her own safety to help him escape -- and with whom Phelps uncharacteristically begins to fall in love.
When a benevolent President plans to use the 40 million he has saved to help his country, he entrusts the money to the country's finance minister who is his confidante. But what the President doesn't know is that the minister kept the money for himself and is planning to use its disappearance as a means to have the President removed from office. So IMF must stop the minister but it won't be easy cause the President trusts the man so much that merely telling him what the minister is planning won't be enough. So they try to get the man to implicate himself.
Only Norvan Kruger knows the location of a submarine that will launch nuclear missiles against the United States. To complicate matters Kruger has been captured by a third party also hostile to the United States. After spiriting Kruger from his captors, and injecting him with a drug that causes temporary retrograde amnesia, The IMF make Kruger Rollin's interrogator. Kruger's assignment: force Rollin to reveal the location of a submarine that will launch nuclear missiles against the United States.
Paris poses as a legendary and colorful revolutionary leader to get close to two conspirators planning an invasion and takeover of the democratic nation of San Cristobal and turn them against each other. Meanwhile, the rest of the IMF team hurries to obtain the invasion plans, decode them and relay the plans to the San Cristobal defense forces before the invasion begins.
The IMF stages World War III complete with a nuclear holocaust, all for the benefit of one man, a former dictator who plans to return to power through an invasion funded by $600,000,000 he secreted away. With his invasion made pointless by the fictitious war, will he give up his booty to save his skin?
An Eastern Bloc nation is trying to develop a mind-controlling drug, a project led by Dr. Karl Turek. Phelps devises a plan to play Turek off against a rival, Colonel Borodin. Phelps and Meredyth pose as a pair of defecting U.S. scientists, who supposedly have developed an alternative drug to the one that Turek is working on. The IMF's scheme calls for Turek to try to kill Borodin, which will result in a trial where Turek will be discredited. But the complicated plan goes awry and the episode ends with Phelps under fire by guards.
Phelps escapes but Borodin, who had been unconscious in the trunk of the car driven by the IMF driver, is killed by a shot fired by guards. This is a major setback to the IMF because Phelps' plan called for Borodin to denounce Turek at a trial. Now, Phelps & Co. must scramble to get the plan back on track. Meanwhile, Turek continues to make progress in perfecting his mind-controlling drug.
To thwart a counterfeiter who has printed enough currency to claim a pro-western democracy's entire gold reserve and thus topple the government, Paris must penetrate a lethal security system to substitute defective printing plates. Meanwhile Barney and Willy must subtly destroy a vault filled with currency and substitute easily detectable counterfeits made with the substituted plates to catch the counterfeiter red-handed.
An enemy nation has hijacked a US supported revolutionary movement trying to overturn a dictatorship. The IMF posses as a religious organization seeking the release of the priest who is the true leader of the revolution. But the enemy sees through this cover and demands a shipment of guns in exchange. Further they plan to manipulate the IMF to provide an excuse to kill the priest without alienating the revolutionaries. But what's that Barney is building in an isolated location? Did Jim anticipate a double cross and plan an escape route?
Kruger Stelman an ex-SS officer serving time in a communist prison is kidnapped by the IMF and made to believe he is on board a submarine. The team must get Stelman to reveal the location of funds stolen by the Nazis before the military police close in on the IMF operation.
The team is sent to stop a criminal who has obtain information on high ranking government officials that the Syndicate can use to coerce them. So they use the man's eagerness to be the new head of the Syndicate and a rival's dislike for him to get him.
Premier Pavel Zagov's death has been covered up by Deputy Premier Gregor Kamirov. He is using an actor to take Zagov's place, and endorse Kamirov as his successor. The team convinces Kamirov that another official is planning a similar coup with the help of a lookalike mechanical Zagov. Led to believe that his co-conspirators are unreliable, Kamirov takes over the alternate (IMF provided) plan which ends with him exposing his deception on national television.
The IMF team tempts an art lover, who stole a secret missile fuel formula, to return the formula in exchange for a one of a kind art object. But he declines. So Jim begins a complex deception to convince his partner he has been double crossed. But the formula is still locked in a safe rigged to explode when enemy agents arrive.
The IMF team is charged with the overthrow of the leader of an oil rich Arab nation to be replaced by his twin brother being held captive in an an unknown location. The IMFs team of crack medical pretenders stages an emergency organ transplant to create an opportunity to switch the brothers. But the ruthless head of the nation's military sees an opportunity to dispose of both brothers and seize power for himself.
Anton Malek is a mole sent years ago to monitor the nuclear program of an Iron Curtain nation. Suffering from a terminal illness Malek has become a rogue agent, and rigged a nuclear reactor to explode. Convinced by the team that his illness can be cured, Malek (unknowingly) disassembles an IMF replica of the bomb, while Barney mimics his procedure on the real device. But, Phelps suddenly realizes that Malek has discovered the deception; forcing the team to rely on intuition alone in disarming the bomb.
Two years earlier, a rare metal isotope important in nuclear weapons development was stolen from the U.S. and hidden in the United People's Republic. Otto Silff, one of three men involved in the theft, was killed by his co-conspirator, Major Paul Johan. Johan is planning to sell the isotope to an Asian nation that is also an enemy of the U.S. To recover the isotope before the sale takes place, Paris poses as Silff, supposedly having had a disfiguring injury coupled with plastic surgery, and suffering from amnesia -- but "unconsciously" displaying characteristics of ...