Fred pretends to be sick so that he can avoid going to school. Unfortunately, he becomes very sick for real.
Freddy's Aunt Hilda brings her kitty Sweetums on a visit to the Flintstone home.
Captain Caveman loses his memory while pursuing the Teddy Bear Snatcher. Since he's disguised as a bad guy when he reaches him, Captain Caveman thinks he is a supervillain named Captain Badman, and starts committing crimes. When Captain Badman leaves the true villains with no crimes to commit, they turn to Cavey Jr. for help.
Hollyrock star Shades Stone moves to Bedrock, impressing Fred and Betty, but not Wilma and Barney. Shades takes advantage of Fred and Betty and the other youngsters in Bedrock. Wilma ignores him, but when Fred decides Shades is his new best friend, Barney runs away to the local swamp.
The snooty people at a prestigious dog training school snub Dino and Freddy.
A teenage Godzilla-type monster named Billy is under pressure from his family to be destructive, but he bears no hatred towards cavepeople. Captain Caveman and Cavey help the boy monster by getting him to tear down some old buildings slated for demolition.
The boys find a little egg belonging to a big dinosaur.
After Barney mistakenly drinks one of Philo's secret potions, the mention of certain foods causes him to transform into a mean, towering humanoid and attack Rocky.
Betty thinks she can do everything better with her ice cream business since other ice cream companies get in her way.
Fred tries to save money for a new toy car by letting Barney cut his hair.
While on a club scout trip in the woods, the gang tries to earn their merit badges, competing against Rocky and his gang.
As Edna and Freddy prepare for Ed's birthday dinner, mischievous Dino attempts to pilfer some food.
Yuckster is throwing cream pies which contain a formula that turns anyone hit by them into Yucksters. When Captain Caveman gets hit by one, it's up to Cavey Jr. to restore everyone to normal and defeat Yuckster.
After being sent to the principal's office again, Rocky has one last chance to be nice around the other students rather than be a mean bully. If he fails, he will be shipped off to military school. He turns to Fred and his friends for help.
While watching his favorite show, Dino is surprised by a visitor: a flea.
Captain Caveman has come down with a cold and does everything she can to try to get rid of it without having to visit a doctor. Mr. Bad takes advantage of this by diverting Grandma Cavemom to Rock Vegas and getting rid of Captain Caveman with an anti-gravity formula.
When Freddy and Betty discover two discarded Halloween costumes, they prepare for a fun night of trick-or-treating.
After being scolded for not appreciating Freddy's care, Dino falls asleep and dreams that he and Freddy have switched places.
Butch the Bully gets exposed to an experimental growth light and becomes a giant. Cavey Jr. turns to his dad to find a way to stop Butch and return him to normal size.
Philo gets his first D grade after failing to finish his science project. It's up to him to finish the project with help from the gang so he can get an A.
Despite Freddy's warnings, Dino can't wait to open his birthday present.
With help from fellow inmates Piggy McGrabit, Trash Man, Teddy Bear Snatchter, and Yuckster, Mr. Bad escapes from prison. He transforms Captain Caveman into a dog with poisoned hot dogs. Cavey Jr. hunts down Mr. Bad for the antidote and to get him back to prison before the poison causes Captain Caveman to permanently remain a dog.