Yes, "Galaxy Quest" is a parody of "Star Trek" and its fandom. The film humorously explores themes of nostalgia, the challenges of typecasting, and the relationship between actors and their iconic roles. It follows the cast of a fictional canceled sci-fi television series who are mistaken for real heroes by an alien race. The movie cleverly satirizes the conventions of sci-fi series and the culture surrounding them, while also celebrating the spirit of adventure and camaraderie found in such shows.

Alan Rickman, who played the character Alexander Dane in "Galaxy Quest," had a complex relationship with the film. He appreciated its clever satire of the science fiction genre and the fan culture surrounding it. Rickman often expressed that he found the script witty and enjoyed his role, particularly the opportunity to portray a character who was both serious and comedic. Despite some initial reservations about being typecast, he embraced the film's legacy and its themes of camaraderie and redemption, ultimately valuing the experience and its impact on audiences.

As of October 2023, "Galaxy Quest" is available for streaming on platforms like Amazon Prime Video and Paramount+. Availability can vary by region, so it's a good idea to check your local listings or the specific streaming service. You may also have the option to rent or purchase the movie on platforms like Google Play, YouTube, or iTunes.

"Galaxy Quest" is highly regarded for its clever blend of science fiction and comedy, appealing to both fans of the genre and those unfamiliar with it. The film cleverly parodies the tropes of classic sci-fi series, particularly "Star Trek," while delivering a heartfelt story about camaraderie and redemption. Its strong ensemble cast, led by Tim Allen, Sigourney Weaver, and Alan Rickman, brings memorable characters to life. The film's witty dialogue, engaging plot, and meta-commentary on fandom and the entertainment industry further enhance its charm, making it a beloved cult classic.