Extreme Dinosaurs is the spin-off series of the Street Sharks that aired from September 1997 to December 1997 with an episode count of 52 (which was more than the episode count of Street Sharks). In this series, the DinoVengers have been given a different origin and some characters are given minor design changes (Bad Rap's color went from a magenta color to an orange color). Along with the new show, there were new characters added. They're new catchphrases included "Let's Fossilize 'Em!".