Season 4, Episode 2
Jem makes three homemade glues to test stickiness. Yan puzzles the public with a scientific optical illusion. Dallas visits the supersonic car that aims to break the land speed record.
Season 3, Episode 6
Jem builds a boat made out of ice and takes it for a spin. Dallas investigates comets and tries to build his own. Meanwhile, Liz looks at the science behind hypothermia.
Season 3, Episode 3
Liz conducts an experiment on how to avoid jetlag. Dallas demonstrates the size of the solar system with a bicycle and a fruit bowl. Jem upgrades his square wheeled skateboard to a motorbike.
Season 4, Episode 3
Jem explains what a calorie is and then gets the others to demo calorific value by taking part in the Oxbridge Boat Race. Yan goes to the Houses of Parliament to test MPs abilities to calculate risk.