Innerspace

The top-secret test of a sub-miniaturization process goes wildly awry inthis comic adventure when industrial spies steal the technology and thedaring pilot (Dennis Quaid) of the world's first molecular-sized craftis accidentally injected into the bloodstream of a hypochondriac grocerystore clerk (Martin Short). Now with only a 24-hour supply of oxygen, anatom-sized test pilot must convince the nerd in whose body he is trappedhow to be a hero in order to recover the stolen technology, convince thepilot's girlfriend (Meg Ryan) that he loves her ... and save both menfrom a grisly death. Winner of an Academy Award for Best Visual Effects.