Young Billy dreams of becoming an astronaut. His father, a NASA scientist, wants his son to be more like him. Soon, Billy starts helping to train chimpanzees for the space program, where he develops a deep bond with a chimp named Mac who is to become the first primate in space. But when something goes wrong on Mac's mission, Billy and his father must work together to bring him home. Charming family drama, based on a true story, stars James Woods, Alex Linz, Annabeth Gish, William Atherton. 104 min. Widescreen (Enhanced); Soundtrack: English Dolby Digital 5.1; Subtitles: English, Spanish; audio commentary; deleted scenes; featurettes; filmographies; "making of" documentary; outtakes; storyboard comparisons; trailer.