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.

'Pel' Pelham is a veteran carnival barker who's happily married and desperately wants a good education for his young son. With money borrowed from bookie Tony Lewis, he persuades Sapolio, a professional "starving man," to attempt to break his own world's record of 65 days without food. Pel, a natural promoter, persuades a real estate broker to donate land for the show, which will feature Sapolio inside a glass cage housed in a tent to be ogled by the curious paying public. Prior to the start of the ordeal, Sapolio and his wife throw a party in their flat. When a girl in an upstairs apartment is murdered, suspicion falls on Pel and Tony Lewis, the girl's former boyfriend. Sapolio unknowingly has glimpsed the murderer, but initially cannot remember what he looked like. That makes "The Starving Man" a target for the real killer.

Two detectives investigate the murder of a local businessman by a mysterious woman.

An opposition leader of an Eastern Bloc nation has been captured by the chief of the country's secret police. Also seized was microfilm with a list of people who secretly support the opposition. Phelps develops a plan that plays upon the astrology obsession the nation's leader has. Cinnamon poses as a famous astrologer while Barney and Rollin will have to operate from the cargo compartment of a plane transporting the captured opposition leader.

Four sons of leaders from Nazi Germany are to meet in Switzerland to take control of Hitler's missing fortune to finance the start of a Fourth Reich. Briggs and the IMF only know the identity of one of the four. The IMF puts Rollin in the man's place. Rollins faces various perils, including not knowing part of a Swiss bank account that contains a key clue. Briggs must make adjustments in his plan to keep Rollin alive and to prevent the conspirators from getting their hands on the fortune.

Prince Stephan's death has been faked by General Sabattini; leaving Stephan's childlike cousin Nicolai as sovereign. Sabattini is forcing Stefan's fiancée Francesca into marrying him, placing him in line to the throne. Phelps joins a group of Dutch tourists while the rest of the team infiltrate the royal palace as a magic act led by Paris. Before the show begins Barney loots the royal vault. It's the beginning of a complex scheme to rescue Stephan, Nicolai, Francesca and simultaneously eliminate Sabatini.

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.

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 unknown location.

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.

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.