In this feature-length film based on the "Flintstones" TV show, secret agent Rock Slag is injured during a chase in Bedrock. Slag's chief decides to replace the injured Slag with Fred Flintstone, who just happens to look like him. The trip takes Fred to Paris and Rome, which is good for Wilma, Barney, and Betty, but can Fred foil the mysterious Green Goose's evil plan for a destructive missile without letting his wife and friends in on his secret?

An American gets a ticket for an audience participation game in London, then gets involved in a case of mistaken identity. As an international plot unravels around him, he thinks it's all part of the act.

When he is told that he is to spend three more years as a tailgunner, goofball GI Herbert Pumice thinks that a promotion--which he has little to no chance of getting--will get him out of the job he hates. He asks his girlfriend Sally, who owns the base café, for help. She goes to the base commander, Col. Baker--who she knows has a crush on her--to help out Herbert. Col. Baker schedules a promotion hearing for Herbert that Friday. He naturally fails it miserably, and then learns that Col. Baker is going out on a date with Sally. Meanwhile, the base military intelligence officer discovers that Herbert is a dead-ringer for the head of a spy ring intending to sabotage a new automated plane, and gets Herbert assigned to infiltrate the gang. Complications ensue.

A thief gets hold of some top secret papers and is chased around Europe by the sinister Organisation.

A code expert working for Naval Intelligence is assigned to decode enemy messages despite his desire for active duty.

After a chance meeting and an indiscreet conversation, childhood friends Tommy Beresford and Tuppence Cowley become involved in a convoluted intrigue led by a mysterious man known simply as Mr. Brown.

First mate Karlsson is mistaken for famous actor Linde.

Yankee soldiers-of-fortune smash a spy plot aimed at seizing Hong Kong.

After an unauthorized letter suggesting U.S. support for a Russian attack on China is sent to Moscow, a former naval officer and his team go undercover to retrieve it. Their plans are disrupted when a cunning politician raids their hideout.

In England, an eccentric police inspector, an earnest test pilot and a spunky female reporter team up to solve the mystery of a series of test aircraft which have disappeared without a trace while over the ocean on their maiden flights; unaware, as they are, that a spy ring has been shooting the planes down with a ray machine hidden aboard a salvage vessel which is on hand to haul the downed aircraft aboard, crews and all.

A forger is forced to work for a Nazi spy ring. His conscience gets the better of him, though, and he secretly conspires with the FBI to turn over the gang.

Havana, Cuba, 1990. René González, an airplane pilot, unexpectedly flees the country, leaving behind his wife Olga and his daughter Irma, and begins a new life in Miami, where he becomes a member of an anti-Castro organization.