A spaceship is sent on a mission to destroy unstable planets. The crew's pet alien escapes and sets off a sentient bomb, which the astronauts have to persuade not to explode. Sci-fi comedy, the directorial debut of John Carpenter, starring Dan O'Bannon, Brian Narelle, Dre Pahich and Cal Kuniholm.

A group of scientists are sent on a mission to destroy unstable planets. Twenty years into their mission, they have to battle their alien mascot as well as a "sensitive" and intelligent bombing device that starts to question the meaning of its existence.