Series co-creator Brad Wright has shared in various interviews and conventions what would have happened if the show had been renewed:

— Some fans have petitioned for a revival, and the story continued unofficially in licensed comic books (e.g., from American Mythology Productions), though not as a season 3.

: He eventually awakens the crew to deal with a brand new crisis, discovering that there were unknown, ancient pods on the ship containing previous inhabitants. 🇫🇷 Finding it in French

These are available via digital comic platforms and physical trade paperbacks. Why was Stargate Universe Canceled?

: Deepening the roles of secondary characters like Varro and exploring the long-term effects of injuries sustained during the journey.

(SGU) does not exist, the narrative surrounding its potential continuation has grown into a significant body of work comprising official pitches, comic books, and fan-made "virtual" seasons. This paper outlines the history of the show's cancellation and the various forms "Season 3" has taken in the years since. The Television Cancellation