“Big Bang Theory ”multiverse“ ”spinoff “Stuart Fails to Save the Universe ”unveils first look, sets summer premiere

Ryan ColemanSun, April 26, 2026 at 11:15 PM UTC

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John Ross Bowie, Lauren Lapkus, Kevin Sussman, and Brian Posehn on 'Stuart Fails to Save the Universe'Credit: Colin Remas Brown/HBO MaxKey Points -

Big Bang Theory spinoff Stuart Fails to Save the Universe unveiled first-look images and a July 2026 premiere date at CCXP Mexico City on Sunday.

Series stars Kevin Sussman, Lauren Lapkus, Brian Posehn, and John Ross Bowie also announced that Danny Elfman will be composing original theme music for the series.

Stuart Fails to Save the Universe will track Sussman's comic store owner's efforts to restore order to the universe after "accidentally bringing about a multiverse Armageddon."

The Big Bang Theory is about to enter its own multiverse of madness.

Kevin Sussman, Lauren Lapkus, Brian Posehn, and John Ross Bowie, stars of the upcoming BBT spinoff Stuart Fails to Save The Universe, gathered on stage at the fan expo CCXP Mexico City on Sunday to announce exciting new details about the series.

Chief among them: Stuart Fails to Save the Universe, which follows Sussman's titular comic store owner's descent into a "multiverse Armageddon," will premiere this July.

The next most exciting revelation from the SFTSTU panel: Grammy-winning scoring legend Danny Elfman will compose original theme music for the series.

Poster for 'Stuart Fails to Save the Universe'Credit: HBO Max

The cast of 'Stuart Fails to Save the Universe'Credit: Colin Remas Brown/HBO Max

The official logline for Stuart Fails to Save the Universe reads: "Comic book store owner Stuart Bloom is tasked with restoring reality after he breaks a device built by Sheldon and Leonard, accidentally bringing about a multiverse Armageddon. Stuart is aided in this quest by his girlfriend Denise, geologist friend Bert, and quantum physicist/all-around pain in the ass Barry Kripke. 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."

As previously mentioned, Sussman reprises the role of Stuart that he played across 11 seasons of The Big Bang Theory in an alternating recurring and main cast capacity. Lapkus returns as Denise, who appeared only on the final two seasons of BBT. Bowie's Barry, one of BBT's most lovable, hateable recurring characters, appeared across the same duration as Stuart, while Posehn played Bert on seasons 6-7 and 10-12.

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While Big Bang Theory stars Sheldon (Jim Parsons) and Leonard (Johnny Galecki) are named in the logline, no other BBT stars besides Stuart's core four have been confirmed for the spinoff. The series has also cast Kevin Can Wait actor Ryan Cartwright and Silicon Valley's Josh Brener in supporting roles.

Fans itching for more Big Bang Theory since the 2019 finale — even after two spinoffs have launched — can rejoice that Stuart Fails to Save the Universe brings back the originally trilogy of creators, writers, and executive producers Chuck Lorre, Zak Penn, and Bill Prady.

Lauren Lapkus, Kevin Sussman, John Ross Bowie, and Brian Posehn on 'Stuart Fails to Save the Universe'Credit: Colin Remas Brown/HBO Max

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The first Big Bang Theory spinoff to hit the air was Young Sheldon, centered on a younger version of Parsons' geeky Sheldon Cooper. The series featured Parsons as its narrator, starred Iain Armitage in the title role, and ran from 2017 to 2024.

Lauren Lapkus and Kevin Sussman on 'Stuart Fails to Save the Universe'Credit: Colin Remas Brown/HBO Max

Georgie & Mandy's First Marriage, a Young Sheldon spinoff that focused on Sheldon's older brother, Georgie (Montana Jordan), and his wife, Mandy (Emily Osment), premiered in 2024.

The series was renewed for a third season in January.

on Entertainment Weekly

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Source: “AOL Entertainment”