Heathcliff and the Catillac Cats

Season 1, Episode 104

Episode Title: Prehysteric Riff Raff

Air Date: 1984-11-27

Overview:

Riff Raff goes with Cleo to the museum to look at dinosaur bones. Riff Raff is accidentally knocked unconscious while jumping on one of the displays, and while he is out, dreams of many wild adventures in prehistoric times.