Galaxy Quest is a 1999 comedy film directed by Dean Parisot; starring Tim Allen, Sigourney Weaver, Alan Rickman, Sam Rockwell, Daryl Mitchell, Tony Shalhoub and Justin Long in his feature-film debut. The original music score was composed by David Newman.

The movie is about the washed-up stars of a fictional 1978-1982 TV series called Galaxy Quest (a parody of the television series Star Trek). On the show, the actors played the crew of a spaceship, the NSEA Protector.