Thunderpants is a 2002 BritishGerman family film about a boy whose incredible capacity for flatulence gets him a job as an astronaut. The film was directed by Pete Hewitt, whose previous work included Bill amp Teds Bogus Journey 1991 and The Borrowers 1997. The script was written by Phil Hughes, based on a story by Peter Hewitt about a boy who dreams to be a spaceman, but has a problem with flatulence.

Patricks only friend is child prodigy Alan A. Allen Rupert Grint, who has anosmia, and, therefore, lacks the ability to smell. Alan and Patrick team up to make Thunderpants, reinforced short trousers strong enough to contain Patricks emissions. Suddenly, Patrick learns that Alan went to USA with the government to assist astronauts who are trapped in outer space, and Patrick finds that his condition may be of use to the spacemen in peril.The film has received a rating of 60 at the film review website Rotten Tomatoes, based uponreviews. ........

Source: Wikipedia