Zombie Dinos From Planet Zeltoid (1992)

Innocent dinosaurs have become mindless zombies, controlled by the evil Harry the Harrier and his alien Brain Blobs. But all is not lost. Wise-cracking Dexter the Dinodroid has managed to escape, bringing to Earth the incredible Time Machine. His goal: "Let's kick some brain!" Travel back in the Time Machine 200 million years. Locate each dinosaur before the Brain Blobs take control. Stop them from destroying unsuspecting humans in your hometown. Dexter will help you, along with the Time Machine's invaluable Dino Encyclopedia containing everything you need to know to save the planet.