HBO Max has released the full trailer for the “Big Bang Theory” spin-off “Stuart Fails to Save the Universe,” with multiple outlets highlighting its shift toward a more science-fiction, multiverse-focused premise. The series, created as a spinoff of the CBS comedy, premieres July 23. According to the show’s logline, comic bookstore owner Stuart Bloom is tasked with restoring reality after he breaks it, setting up a storyline that expands from “a Big Bang” into a broader, multiverse situation. Several outlets note that the trailer includes quick cameos and alternate-universe appearances connected to the original franchise. Reported glimpses feature Christine Baranski (Beverly Hofstadter), Riki Lindhome (Ramona Nowitzki), and Teller (Larry Fowler), with Jon Cryer also appearing in a kaleidoscope-style graphic. Variety also reports the series consists of 10 episodes and that new installments will be released weekly on Thursdays. Overall, the trailer frames the series as a blend of franchise familiarity and a new multiversal format.