Over seven years after its end, The Big Bang Theoryfranchise is still expanding with various spin-offs. Stuart Fails to Save the Universe, the latest addition to The Big Bang Theory universe, will arrive on HBO Max on July 23, 2026, and see Kevin Sussman reprise his role as Pasadena comic book store owner Stuart Bloom, who is this spin-off’s lead character. The Big Bang Theory‘s spin-off cast also includes Lauren Lapkus as his girlfriend, Denise, John Ross Bowie as physicist Barry Kripke, and Brian Posehn as geologist Bert. With them at his side, Stuart attempts to save the universe following a disaster involving a device of Sheldon and Leonard’s.

​