Denver The Last Dinosaur

History Repeats Itself (2x12)

Air date: Oct 14, 1988

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.