Thunderpants tells the story of a 10 year old boy who dreams of being a spaceman. Patrick Smash Baffles his family and teachers with his special gift - an amazing ability to fart. Patricks best friend is a child genius, Alan A Allen(Rupert Grint). With Alan's help, Patrick learns to harness his special powers, taking them on a journey of adventure from fame to danger, and finally to the US Space Centre. There the world waits to see if they can fulfil their ambition.