Are you ready for the best adventure ever? Jamie and Tom are doing some prehistoric crabbing in their secret Cretaceous world. But when their backs are turned a lightning-quick velociraptor steals their stuff! As the predator races away, the boys set off on a deadly dash through boiling hot, exploding geysers, to try and catch the thief.

Jamie and Tom are off for another adventure in Dino World, through their secret smuggler's cave. This time they decide to try crabbing - and they manage to catch a real prehistoric crab! Jamie looks it up in the Fossil Finder, and then the boys settle down to have a really good look at their Dino Crab. But then disaster strikes! A sneaky Velociraptor runs up and grabs the Fossil Finder! The boys have to get it back - if they don't, then in the future scientists might find their computer buried with a dinosaur fossil - and that could mess up the whole of dinosaur science! So the chase is on. But the Velociraptor is fast and cunning and leads the boys into a valley full of geysers spouting hot water! Can they find their way through and get their Fossil Finder back - or is the sneaky Velociraptor just too speedy?

Welcome to the Cretaceous! It's a wild and dangerous place but it's too awesome to resist! So Jamie and Tom set off to the Cretaceous again by stepping in the fossilized footprints in their secret smugglers' cave. They decide to try some crabbing and manage to catch a real-life prehistoric crab. But as the boys inspect the amazing creature a sneaky velociraptor runs up and grabs the Fossil Finder. Disaster! The boys have to get it back - if they don't, then future scientists might find a fossilized Fossil Finder and that could mess up the whole of dinosaur science! The chase is underway - through a valley of geysers spurting boiling water - and on to the velociraptor's lair ...

Tom and Jamie find themselves chasing a velociraptor into Dino World after it steals the Fossil Finder.

Something is wrong in Dino World. The air is quiet. The dinosaurs have abandoned their usual grazing areas. Even Wanna seems reluctant to come out and play. And things only get worse when a meteorite lands nearby, setting a forest on fire and a group of Edmontosauruses stampeding-- straight toward the meteorite crater. Jamie and Tom have to save the dinosaurs, but how?

Are you ready for the best adventure ever? Jamie, Tom and Wanna have journeyed to the hot Permian desert to discover more about the creatures there. They soon spot a dimetrodon with a huge fan on its back and decide to track it. But when a hungry predator spies the boys, they realize that they're the ones being stalked . . .

Are you ready for the best adventure ever? Jamie and Tom are the luckiest boys alive . . . they've discovered a gateway to the dinosaur world of the Cretaceous! The boys are searching for a quetzalcoatlus - but what will they do when the huge pterosaur flies off with their dino pal, Wanna? It's a race against time to save their little friend.