HBO Max has set a premiere date for its latest Big Bang Theory spinoff.
The streaming platform will debut "Stuart Fails to Save the Universe" on Thursday, July 23, 2026, at 9 p.
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m. ET.
The single-camera comedic series consists of 10 episodes.
It follows comic book store owner Stuart Bloom as he accidentally triggers a multiverse crisis using a device built by Sheldon Cooper and Leonard Hofstadter.
Kevin Sussman returns to lead the cast as Stuart Bloom.
He is joined by Lauren Lapkus as his girlfriend Denise, Brian Posehn as geologist Bert, and John Ross Bowie as quantum physicist Barry Kripke.
The series is produced by Chuck Lorre Productions in association with Warner Bros. Television.
It marks the fourth installment in the Big Bang Theory franchise.
New episodes will roll out weekly on the platform. Some promotional materials list a July 24, 2026 release date.
Teaser Reveals Alternate Reality and Comic-Con Plans
A newly released promotional teaser reveals that original series recurring actor Wil Wheaton appears inside the comic book store during the inaugural season.
The footage also introduces an alternate-reality version of Barry Kripke who acts as the "Supreme Leader of South Pasadena," complete with a military uniform and subordinates.
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Actor Brian Posehn revealed during an episode of the Nerd Poker podcast that the cast is scheduled to appear at a major San Diego Comic-Con panel timed to the premiere.
Executive producer Chuck Lorre remained secretive when asked by TV Line about potential cameo appearances from original main cast members Jim Parsons, Johnny Galecki, Kaley Cuoco, Kunal Nayyar, Simon Helberg, Melissa Rauch, or Mayim Bialik.
"I cannot speak to that.
That is a closely guarded piece of information that, you know… I've taken a blood oath regarding," said Lorre.
Lorre explained that he wanted to pursue a radical narrative direction that diverged from his usual creative comfort zone.
"I wanted to do something radical that would take me out of my comfort zone.
Something the characters on 'The Big Bang Theory,' would have loved, hated, and argued about," he shared.
When asked about the potential return of original characters, Lorre hinted at audience satisfaction. "You're going to love this show," he said.
Co-writer and executive producer Zak Penn shared that he joined the production team after receiving an unexpected invitation from Lorre while traveling abroad.
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He described the project as an insane show set in a universe created by Chuck Lorre and Bill Prady.
