The Terrible Thunderlizards is a segment that aired in Canada on YTV and in the United States as part of Eek! Stravaganza on the Fox Kids programming block.
The dinosaurs think that mankind will lead them to the brink of extinction, so General Galapagos bails Doc Tari, Daisy Kutter and Bo Diddly Squat to target the two cavemen, Bill and Scooter. The cavemen's stupidity foil the thunderlizards' every effort. Bill and Scooter are taken in by a dinosaur called Huckleberry.