Episode Title:Colosso-Dome.Episode Description:The Extreme Dinosaurs are captured by an alien spacecraft and taken to the planet Krat, where the tyrannical Queen Zarconda forces them to compete in her gladiator arena, the Colosso-Dome. The Extreme Dinosaurs must do battle with Queen Zarconda's champion – a tough Dilophosaurus named Ridge – and find a way to bring the house down on the Colosso-Dome.