Ruff and Reddy end up on the planet Muni-Mula. When they meet with the Mastermind, he wants to them duplicated as robots. Everything is sorted, when the Mastermind turns out to be Dr. Gizmo imprisoned ...

In this, the very first episode of Hanna-Barbera's first TV show, our heroes read reports of spacecrafts from other worlds. One such ship bears a bead on Ruff and Reddy as they nap and take them ...

Gizmo, Ruff and Reddy pursue Killer and Diller, but the Chickosaurus egg tumbles out of their truck and towards our heroes. Ruff, Reddy and Dr. Gizmo are met by a cave boy called Ubble-Ubble, who ...