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The Big Bang Theory spin-off show releases first-look trailer as release date is mere weeks away
The Big Bang Theory universe is expanding again.
Colin Remas Brown / HBO Max
- Molly Moss
Published: Wednesday, 24 June 2026 at 10:24 am
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HBO Max has unveiled the first trailer for its upcoming comedy Stuart Fails to Save the Universe - and it teases a wild multiverse adventure.
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The 10-episode show, which is a spin-off to the hit series The Big Bang Theory, will debut on Friday 24 July on HBO Max, with a new episode landing every Thursday.
The show follows comic book store owner Stuart Bloom (Kevin Sussman) - whose shop was frequently visited by Sheldon (Jim Parsons) and Leonard (Johnny Galecki) in the hit series - who is tasked with restoring reality after he breaks a device built by Sheldon and Leonard, accidentally bringing about a multiverse Armageddon.
He’s joined by his girlfriend Denise (Lauren Lapkus), geologist friend Bert (Brian Posehn), and quantum physicist Barry Kripke (John Ross Bowie), with the quartet crossing paths with alternative-universe versions of fan-favourite characters from The Big Bang Theory along the way.
Brian Posehn, Kevin Sussman and Lauren Lapkus star in Stuart Fails to Save the Universe. Colin Remas Brown / HBO Max
But as the title suggests, the mission is far from plain sailing.
The trailer begins with Stuart declaring he is "the chosen one who’ll set things right", but when he’s asked what his plan is, he responds: "I don’t really have one".
The footage also teases cameos from the likes of Christine Baranski (Beverly Hofstadter), Riki Lindhome (Ramona Nowitzki), and Teller (Larry Fowler).
Watch the trailer for yourself below:
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The new direction for the franchise has been created, written and executive produced by original series creators Chuck Lorre and Bill Prady, and screenwriter Zak Penn (The Avengers).
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Stuart Fails to Save the Universe is coming to HBO Max in July 2026. Subscribe to HBO Max from £5.99 a month.
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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Authors
Molly MossTrends Writer
Molly Moss is a Trends Writer for Radio Times, covering the latest trends across TV, film and more. She has an MA in Newspaper Journalism and has previously written for publications including The Guardian, The Times and The Sun Online.
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