DVD Extras
- There is a feature on the DVD simulating the Omega 13, by reversing the opening sequence to the main menu. If the Omega 13 feature is selected before watching the movie however, it comes up with an "Access Denied" error. Only by watching the movie up to Chapter 19 (or skipping to Chapter 19) will the Omega 13 feature activate. (Chapter 18 of the movie is the chapter in which the Omega 13's power is revealed.)
- Some editions have an alternate audio track in which the dialogue is spoken in the Thermians' language, except for one English word spoken by an alien (shortly after the actors arrive on the ship).
- The 2009 Blu-ray edition of the film includes a tongue-in-cheek trivia commentary called "Galactopedia." Written by Michael Okuda and Denise Okuda, the Galactopedia purports to be based on Galaxy Quest encyclopedias, technical manuals, and other imaginary books.
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