Wil Wheaton Returns: Big Bang Theory Spinoff Teases Multiverse Mayhem

A new teaser for the upcoming "Big Bang Theory" spin-off, "Stuart Fails to Save the Universe," features a surprise appearance by Wil Wheaton. The actor, known for his role as a heightened version of himself in the original sitcom, is seen in a brief moment within Stuart's comic book store, appearing to use an energy blast against Stuart, Denise, Bert, and Kripke.

"Stuart Fails to Save the Universe" is set to premiere on July 23, with a 10-episode first season rolling out weekly on Thursdays. The comedy's logline reveals that Stuart Bloom, the comic book store owner, must restore reality after an accident involving a device built by Sheldon and Leonard unleashes a multiverse Armageddon. He receives help from his girlfriend Denise, friend Bert, and Barry Kripke, encountering alternate versions of familiar characters along the way.