24 episodesFirst aired 12 September 1988
Sept 19881h
It is late Spring when Wally, Jeremy, Shades and Mario are at the La Brea Tar Pits working on a school research project and discover a mysterious tar egg that cracks open to reveal a friendly dinosaur.
Sept 198830m
Denver follows Jeremy to his job at the supermarket, where he hides in the storeroom and stuffs himself full of potato chips.
Sept 198830m
Wally borrows his sister Heather's video camera and the starry-eyed kids set out to make a video starring themselves.
Sept 198830m
While camping at a mountain lake with the boys, Denver is mistaken for a horrible lake monster.
Sept 198830m
Denver and the kids make friends with a circus owner's son and help him liven up a lackluster show with bicycle and skateboard stunts.
Sept 198830m
The boys decide to do a science project on dinosaurs for the school science fair.
Sept 198830m
Wally and Heather panic when they hear their parents are planning an out- of-town move.
Sept 198830m
Wally's first day on the job at the zoo takes a turn for the worse when the self-serving Dr. Funt captures Denver for his new high-tech exhibit.
Sept 198830m
The kind-hearted Denver rescues one of the boy's arch rivals, Scott, winning his heart and killing his plans to expose Denver to the media in order to gain publicity and votes for the upcoming student election.
Sept 198830m
While visiting Jeremy's Uncle Eli on his Nevada ranch, Denver and the boys attend a local rodeo.
Sept 198830m
Casey's movie-star cousin, Lana Lake, invites Casey, the boys and Denver to watch the filming of her latest sci-fi movie, "Leapin' Lizards on the Loose".
Sept 198830m
When Heather gets a job at a Dinosaur theme amusement park, Denver roams freely around the park and fits right in with all the dino-costumed employees.
Sept 198830m
Denver and Jeremy enter a wacky game show only to find they're competing against the team Morton Fizzback and Professor Funt.
Sept 198830m
Shades develops a recent interest in karate. He is also very into Nikko, the daughter of his instructor.
Sept 198830m
Denver becomes a major radio star during a competition between KAY-HIP and KAY-LOUD radio stations.
Oct 198830m
When Heather and Wally's parents inform the two that they are expecting guests from out-of-town, they must hide Denver that the local movie theater, which is believed to be haunted.
Oct 198830m
A boy genius, Freddy Facknitts, invents a time machine that sends Denver and Morton Fizzback into the past and into the middle of a crazy caveman competition called Mammothball.
Oct 198830m
When the boys enter Wally's dog, Rocky, in a relay race for dogs, they also disguise Denver as a dog so that Rocky will perform well.
Oct 198830m
Denver and Mario take a job as children's entertainers only to incur the wrath of Douggie, the Dancing Clown, who tries to sabotage Denver and Mario's entertaining efforts.
Oct 198830m
On a visit to Aunt Shadie's ghost town, the kids and Denver go on a wild mining car ride while trying to retrieve the deed to the town from some thieves who had stolen it.
Oct 198830m
Denver falls in love with a mechanical dinosaur and follows her into the Big Deal Movie Studios. His friends must get him home without being discovered.
Oct 198830m
When disreputable treasure hunters kidnap a valuable dolphin from a marine research facility and use him to locate sunken treasure, Denver dives in to save the dolphin.
Oct 198830m
Heather and the boys take Denver to a mountain ski resort.
Oct 198830m
The secluded beach where Mario surfs and the kids play is taken over by Rad Tad and his group of Surf Dudes.