The Big Bang Theory is officially returning — but not in the way fans might expect. A new spin-off titled Stuart Fails to Save the Universe is currently in development for HBO Max, promising a bold and unconventional expansion of the beloved sitcom’s world. The series is set in the future and centers on Stuart Bloom, the longtime comic book store owner, who accidentally breaks a device created by Sheldon and Leonard, unleashing chaos across the multiverse.
The project is being developed by original creators Chuck Lorre and Bill Prady, alongside screenwriter Zack Penn. Kevin Sussman will reprise his role as Stuart, joined by returning cast members Lauren Lapkus, Brian Posehn, and John Ross Bowie.
As for the original stars, no returns have been confirmed. However, actors including Kaley Cuoco and Mayim Bialik have expressed openness to revisiting their roles, leaving the door open for surprise appearances from familiar faces.