Planet Dinosaur Files

Jem Stansfield is on a mission is to find the deadliest dinosaur that has ever lived. He compares the stunning spinosaurus with some deadly animals in the world today and tests the lethal teeth of these prehistoric predators in his dino workshop.

Jem Stansfield compares allosaurus, majungasaurus and daspletosaurus, to find out which of these terrifying predators was the most powerful. He builds his very own set of mechanical dinosaur jaws in his workshop and discovers just how incredibly strong they were.

Jem Stansfield goes underwater to meet terrifying monsters of the deep, such as stunning new discovery Predator X. And he recreates the swimming technique of these amazing prehistoric creatures by building his very own mechanical marine reptile.

Jem Stansfield goes massive, finding out which was the biggest dinosaur of all in the prehistoric world. Jem builds his very own set of huge dinosaur feet and, with the help of a 45-tonne hydraulic excavator, unleashes the enormous force of these incredible creatures.

Jem Stansfield takes another extraordinary journey into the jaw-dropping world of Planet Dinosaur. This time he's looking at some amazing new flying creatures, like the four-winged glider microraptor, and the incredibly huge hatzegopteryx. Plus, in his dinosaur workshop he builds some prehistoric wings.

Jem investigates the really weird dinosaurs. Like the pot-bellied nothronychus, a carnivore turned vegetarian, or the tongue-twistingly named epidexipteryx, a tiny creature that lived off beetle grubs. And in his dinosaur workshop, Jem unveils some very strange shaped eggs, including one that is 70 million years old.