For four years, the courageous crew of the NSEA Protector set off on thrilling and often dangerous missions in space ... and then their series was cancelled. Now, twenty years later, aliens under attack have mistaken the Galaxy Quest television transmissions for "historical documents" and beamed up the crew of has-been actors to save the universe. With no script, no director and no clue, the actors must turn in the performances of their lives.

From 1958 to 1963, American actor Rick Dalton knew the height of fame and fortune as the lead in the television series Bounty Law. Yet, Rick wasn't satisfied with the work and used his popularity to try to become a movie star. By 1969, Rick's career has stalled so much that he takes jobs as a guest star on various shows. He even starts wondering if the only way he can make a comeback is by acting in Italian productions. Cliff Booth, Rick's long-time...