A mix-up at the pharmacy gives Fred pills that turn him into an ape. Barney is the only one to see this short-lived effect, which makes him wonder about his own health. But when the two dads take their kids to the zoo and Fred ends up in the monkey cage after taking another pill, his problem becomes apparent to all.

When Fred feigns a headache to get out of violin recital, Wilma invites her old flame Wilbur, who still carries a torch for her. Jealous Fred follows them to a dance, along with Barney and Gazoo. Fred asks Gazoo to change Barney into a dance partner, so he can make Wilma jealous in return.

Performing seal dripper takes a liking to Barney, who soon finds himself involved in a plot to steal the aquatic attraction. The leader of the gang of thieves turns out to be Dripper's trainer, who is tired of the seal getting all the attention.

Proud papa Fred shows his home movies of Pebbles to everyone, including two criminals who discover that he has captured them on film. But rather than sit through the films again, the criminals turn themselves in!

Wilma's old friend, Bony Hurdle, pays her a visit because he's participating in the Bedrock rodeo, but Fred gets jealous and decides to compete, too.

Fred refuses to play the lead in the PTA show, ""Romeorock and Julietstone,"" opposite Wilma, so she casts Barney instead. Feigning the mumps, Barney (who is terrible in the part) drops out, forcing Fred to take over. But then laryngitis causes Wilma to drop out, so Barney rushes back in, now playing Julietstone!

On advice from Gazoo, Fred and Barney start winning big at the racetrack, and attract the attention of a dangerous bookie named Big Ed. Since he got them into this latest mess, Gazoo comes to their rescue.

Roped into babysitting little Egbert, the child of a friend, Fred and Barney take the tot over to the pal Joe Rockhead's house to watch the fights on television. Egbert befriends Joe's pet runtosaurus and dresses the creature up in his baby clothes, which results in chaos when the pet--whom Fred and Barney mistake for the baby--escapes from the house and dashes up a tree.

To finance their dream of opening a pool hall, Fred and Barney visit the dinosaur racetrack where Fred bets his entire paycheck on a long shot. He tells Wilma that he has lost his check. When the long shot pays off, Fred and Barney are initially elated, but they quickly realize their problems are only beginning.

Assuming the command of a Boy Scout troop, Fred quickly learns the hazards of a ""routine"" camping trip. Fred blunders his way through until an overnight flood leaves him and the troop hanging on a tree limb over a treacherous waterfall, hoping a ranger will rescue them.

Tired of hearing their husbands complain about finances, Wilma and Betty rent rooms to piano and bongo-playing student musicians. Fred and Barney go along with the arrangement, unaware that their wives are providing the lodging in return for music and dancing lessons.

Needled by Wilma about his lack of romanticism, Fred takes his wife on a second honeymoon to Rock Mountain Inn, accompanied by the Rubbles. When the Flintstones learn that the official, Judge Wedrock, who married them was never licensed, Wilma takes advantage of the situation by making Fred court her all over again.

While shopping in a Bedrock drugstore with Betty, Wilma is discovered by a famous television producer. As a result, Fred borrows money from Barney to pay for acting lessons a quits his job in order to manage his wife's career.

While Fred is napping away his pre-golf tournament tensions, Barney interrupts his pal's dreams with a practice shot. Temperamental Fred explodes at Barney, which results in the Flintstones almost finding themselves without neighbors, when the Rubbles put their house up for sale.

When Fred's performance for the Bedrock Quarry baseball team flounders, he is replaced by Roger who attracts the attention of Big League scouts, but since he is wearing Fred's uniform, the scouts try to sign up Fred.

Thinking he will be discovered, Fred takes a job wearing a monster costume in a publicity stunt for a new horror movie. He creates the desired effect, frightens the townspeople, and falls into his own monstrous dilemma.

Barney and Betty decide to get Bamm-Bamm a pet of his own, deciding on a stone-age kangaroo.

Fred lands a role in an action-movie series playing a hunky Greek hero, but he soon discovers that being a film star isn't all it's cracked up to be.

A hackneyed spy movie turns serious when the villainous Stonefinger and his henchmen suddenly come to life and begin to menace Fred and Barney. It takes the magical powers of Gazoo to get the situation straightened out.

Barney is mistaken for the long lost Prince of Rockabia, which seems like good fortune until he learns that the sentence for abdication from the throne is death. The appearance of the real prince releases Barney from his royal ordeal.

Two con artists posing as gold miners sell Fred and Barney phony mine. Wilma and Betty find out and trick the con artists into buying the mine back, but Fred and Barney, convinced of its value, won't sell. Only the threats of the con men convince them to recover their investment and head back home.

Fred is mistakenly granted membership to a swanky country club and asks Gazoo to turn him into a gentleman, a plan that involves taking ballet lessons, which makes him the laughingstock of the neighborhood. Finally Fred decides that he and Wilma should be themselves, and together they become the hit of the club.

Fred relives the exciting adventures of his grandfather, flying ace Lt. Rocky Flintstone, and his sidekick Lt. Reggie Vanderrock, whose mission is to rescue the famous spy Mata Harrock from the clutches of Baron Von Rickenrock.

Wilma and Betty win a trip to Hollyrock from a television contest. Finding themselves lonely and bored, Fred and Barney take vacations from work and follow them out. When Wilma is ""discovered,"" Fred muscles his own way into the world of television to bring her back.

When he discovers a bag containing $86,000, Fred's dreams of being a wealthy man finally seem to be coming true. But the money has been stolen from the bank, so Wilma and Betty force Fred and Barney to return the money to the bank, and unwittingly set them up as the primary suspects! The wives set a trap for the real culprits and Fred ends up saving the day.