Jem is challenged to build a boat made out of ice, and take it and the rest of the team for a spin in one of the UK's busiest stretches of water.

Liz visits the volcano that brought Britain to a standstill, while Dallas visits Vegas to explain why people are bad at predicting probabilities.

Dallas looks at the origins of weather and explains how the emergence of seasons allowed life to form, with the help of a grenade launcher.

Liz conducts an experiment into jetlag, while Dallas demonstrates the size of the solar system using a bicycle and a fruit bowl.

Liz Bonnin looks at the science behind sunburn, while Dallas Campbell tries to make museum visitors younger and smarter.

Bang Goes the Theory returns to put more science to the test. In this episode, the team investigate the recent Gulf of Mexico oil disaster, and Liz Bonnin travels to Louisiana.