Buzz Lightyear of Star Command: The Adventure Begins is a 2000 animated science fiction comedy film directed by Tad Stones, who is also the producer with Mark McCorkle and Bob Schooley. It serves as a spin-off of Pixar's Toy Story franchise and released on direct-to-video in the United States on August 8, 2000.

The film later led to a television series, Buzz Lightyear of Star Command, which aired on UPN and ABC from October 2000 to January 2001, and Pixar's feature film, Lightyear, which was theatrically released in the United States in June 2022, serving as an origin story for the character, voiced by Chris Evans. The film was nominated for two Video Premiere Awards: Best Animated Video Premiere and Best Animated Character Performance for Tim Allen.