Jem Stansfield explores the extraordinary world of Planet Dinosaur. This time, his mission is to find the deadliest dinosaur that has ever lived. Show more

Jem Stansfield enters the amazing world of Planet Dinosaur. He compares three terrifying predators to see which was the most powerful. Show more

Jem Stansfield enters the amazing world of Planet Dinosaur. He is going underwater to meet a terrifying monster of the deep, Predator X. Show more

Jem Stansfield enters the amazing world of Planet Dinosaur. Jem goes massive, finding out which was the biggest dinosaur of all in the prehistoric world. Show more

Jem Stansfield enters the amazing world of Planet Dinosaur. Jem looks at the four-winged glider microraptor, and the incredibly huge hatzegopteryx. Show more

Jem Stansfield enters the amazing world of Planet Dinosaur. He investigates the really weird dinosaurs such as the pot-bellied nothronychus, a carnivore turned vegetarian. Show more

Series presenting the science behind the headlines. Liz Bonnin explains how cells turn cancerous by blowing high-tech bubbles, and Jem Stansfield builds a radiotherapy gun. Show more

Series putting science to the test. Jem Stansfield builds a vortex cannon, and Dallas Campbell takes on the technology that will track every one of us simply by the way we walk. Show more

Wallace and Gromit explore natural wonders and look at inventions inspired by Mother Nature. They see flying penguins in Germany and self-cooling houses in Malawi. Show more

A special hour-long edition of the science programme sees Liz, Dallas and Jem get under the bonnet of Britain's recent weather by building a unique weather chamber in the workshop. Show more

The team looks at the science behind the recent Japanese earthquake and the tsunami it triggered. Plus the technology that attempts to protect us from the power of our planet. Show more

The team take on more scientific challenges. Liz looks at the new IVF research that may increase success rates, and Jem tries to go 360 degrees on a playground swing. Show more

The team take on more scientific challenges. Dallas goes supersonic and meets the team behind a 1000mph car, Jem tests some homemade glues and Dr Yan puzzles commuters. Show more

Jem demonstrates what a calorie is, Dr Yan tests the ability of MPs to calculate risk, and Liz investigates whether we are running out of antibiotics and what will happen if we do. Show more

On the 50th anniversary of the invention of the laser, Jem Stansfield explains how they work and builds himself one. Dallas Campbell looks at the rise of Citizen Science. Show more

Science series. Liz looks at the controversial science of genetically modified crops in Hawaii, while Dallas tries to remedy Jem's dust allergy by making him eat worms. Show more

The science series takes on a royal wedding theme. Jem builds a singing road as a present for the royal couple, while Dr Yan explains the science of dad dancing. Show more

The team put science to the test. Jem visits a mega-plant in Sussex to investigate the future of recycling, while Dallas explains how GPS works and how it is changing our world. Show more

Science series. Jem makes his own diamond and then proves they aren't forever, Dr Yan explains the science of popcorn and Dallas investigates why we haven't cured cancer yet. Show more

Science series. Liz hits the beach with the RNLI to experience the power of rip currents, while Dr Yan attempts to demonstrate evolution by drawing a couple of lines. Show more