Another one of the infomercial for a home course in how to become a paleontologist is supplemented by clips from previous episodes. Featuring the past clips from Season 2 to Season 3.

An archaeologist documents dinosaurs' way of life as they may have existed long ago, but clips from previous episodes tell a different story.

Earl, Robbie and Roy stumble into a tar pit when they take the Baby into the forest for the traditional dinosaur Wilderness Rite of Passage.

Family duties and the baby combine to frazzle Fran, and Earl can't figure out her problem.

A monstrous male who notices Fran in the supermarket challenges Earl to a fight to the death.

When Robbie can't beat a gang of hoods (who keep beating him), he joins them.

The baby goes gaga over a hippo named Georgie, the latest children's idol. But when Earl dresses up as Georgie, he's arrested for copyright infringement.

Robbie questions howling as a rite of passage--an act that puts Earl and Roy at odds with each other.

Earl anticipates a promotion as he awaits a dinner with Richfield; Robbie brings home a "pet" human.

Charlene wants to make a fashion statement with an expensive coat, but the coat leads her into a vain attempt to achieve status.

Charlene signs up for a foreign student exchange program to get away from her family who doesn't understand her; and the Sinclairs get a bitter taste of a different culture when a French bird moves in with them in Charlene's place.

Robbie crosses over to the swamps and gets sold on the mammals' "swamp music", but they're liable to be sold out in a dinosaur record deal, which Robbie orchestrated.

Robbie poses as a space alien and orders Earl to get involved in cleaning up Earth, never imagining that he would quit his job to launch an environmental crusade.

Charlene feels her family is neglecting her, so she gets their attention by winning the school talent show but her rising fame is riding on the backs of three young cavelings she found in the forest whose mother is looking for them.

When too many overworked employees drop dead from exhaustion, businesses give dinosaurs two weeks off for a vacation; B.P. Richfield advises Earl to bring his family to WeSaySo Land, which is supposed to be a fun amusement park for the family. What the Sinclairs find is an overpriced, cow themed park that is newly under construction, and they have to stay for 14 days.

Earl lays an egg when he asks his boss for a raise, and Fran lays an egg--literally.

Robbie objects to the career--tree pusher--assigned to him by the "Job Wizard."

Robbie gets pointers on how to approach girls from a streetwise contemporary named Spike.

Fran gets a job on TV giving advice to dinosaurs, leaving Earl to learn how to cope with a wife who works.

Robbie weaves a frightening tale for the Baby about Robbie turning into a caveman monster, which proves a little too hairy for the little guy.

The Baby becomes sick from a dirty pacifier and a visit to the modern doctor has the family suspecting he is selling them high priced snake oil.

Robbie dates Richfield's daughter, whose gluttonous reputation gives Robbie food for thought: he may be her next meal.

After failing to mow the lawn, Robbie challenges Earl for male domination of the family... and wins.

Robbie resorts to using Thornoids in an attempt to impress a girl at school.

Ethel reads the Baby a story called "If You Were a Tree" about a dinosaur tree pusher who gets struck by lightning and swaps souls with the tree he's trying to demolish.