While we already knew that Kevin Sussman's Stuart Bloom, Lauren Lapkus's Denise, Brian Posehn's Bert and John Ross Bowie's Barry Kripke would be leading the cast, we now know that Wil Wheaton will be returning - we imagine, to reprise his role as himself.
His appearance in Stuart Fails to Save the Universe was confirmed in a new HBO Max teaser for upcoming shows in 2026. One brief clip shows Wheaton, seemingly using some sort of magical power.
"Stuart is aided in this quest by his girlfriend Denise (Lapkus), geologist friend Bert (Posehn), and quantum physicist/all-around pain in the ass Barry Kripke (Bowie).
View oEmbed on the source website"Along the way, they meet alternate-universe versions of characters we’ve come to know and love from The Big Bang Theory. As the title implies, things don’t go well."
When asked whether the original show's stars would be back for the spin-off, creator Chuck Lorre previously told TVLine: "That is a closely guarded piece of information that, you know… I've taken a blood oath regarding."
Stuart Fails to Save the Universe is coming to HBO Max in July 2026. Subscribe to HBO Max from £5.99 a month.Add Stuart Fails to Save the Universe to your watchlist on the Radio Times: What to Watch app – download now for daily TV recommendations, features and more.Check out more of our Comedy coverage or visit our TV Guide and Streaming Guide to find out what's on. For more TV recommendations and reviews, listen to The Radio Times Podcast.
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