Denver, the Last Dinosaur - Season 2 - Eps 1: History Repeats Itself
To help Wally in his predicament with Johnny Price, a practical joker who continually torments him, Denver uses his magic tar eggshell and shows Wally a time in his own life when he was tormented by the Pteranodon, and Wally is able to become friends with Johnny Price.
About Denver, the Last Dinosaur

Title: Denver, the Last Dinosaur
First Air Date: 1988-09-12
Last Air Date: 1988-11-22
Status: Ended
Rating: 6.5/10 (from 50 votes)
Language: EN
Seasons: 3
Total Episodes: 50
Network: Syndication
Genres: Animation, Action & Adventure
Production Companies: World Events Productions, Calico Entertainment
Synopsis
Filled with magic, warmth and friendship, join the adventures of a fun-loving dinosaur and his group of ingenious young friends: Jeremy, Mario, Wally, Heather, Casey and Shades. Pursued by fortune seekers, Denver always finds himself in the middle of unexpected adventures!
Cast

Pat Fraley
Denver (voice)

Joey Dedio

Jack Angel

Adam Carl

Tress MacNeille

June Foray

Cam Clarke

Brian Cummings

Rob Paulsen

Kath Soucie