The Big Bang Theory universe is officially expanding once again. HBO Max has dropped the first trailer for Stuart Fails to Save the Universe, the much-awaited spin-off centred on comic book store owner Stuart Bloom, played by Kevin Sussman.

The upcoming series takes one of the franchise's most beloved side characters and places him at the heart of a multiverse adventure packed with familiar faces, sci-fi chaos and plenty of comedy. Created by Chuck Lorre, Bill Prady and Zak Penn, the show is set to premiere on July 23, 2026.