Bang Goes the Theory

Jetlag, Solar System, Square Wheeled Motorbike (3x3)

Fecha de emisión: Sept 22, 2010

Liz conducts an experiment into jetlag and how to avoid it, while Dallas demonstrates the size of the solar system with the help of a bicycle and a fruit bowl. And Jem upgrades his square-wheeled skateboard to a motorbike, before trying to jump it into the record books.