Travelling Travis sets off on another great adventure when he lands in Antarctica, but believes he's actually on Mars; Mr Porter and Alex go on a sightseeing hike, but get trapped inside a huge maze.

Superbaddies Harold, Ladybird and the Copycat team up and take the Mighty Pups' mighty meteor. The Mighty Pups must get their meteor back and `charge up' to stop them before the team of baddies destroys Adventure Bay.

When a lost world of dinosaurs is discovered, Mayor Humdinger wants to take dino eggs back to Foggy Bottom. Along the way, a baby Brachiosaurus ends up in dino-sized trouble.

Mayor Humdinger and his Kitties go to Dino Wilds for Dino acting lessons, but somehow find themselves bound for Adventure Bay.

Marshall performs some Dino dentistry; an adventurous sightseeing expedition quickly turns into a wild Dino ride.

When Harold's cloning machine wreaks havoc and threatens to destroy everything, the pups struggle to save the day.