HBO Max has released the official teaser for Stuart Fails to Save the Universe, a spinoff focused on Stuart Bloom, a fan-favorite character from The Big Bang Theory.

The trailer, released during the Warner Bros. Discovery Upfront presentation in New York, gives fans their first look at Stuart Bloom traversing various realities while trying to survive the trip.

“Comic book store owner Stuart Bloom is tasked with restoring reality after he breaks a device built by Sheldon and Leonard, accidentally bringing about a multiverse Armageddon. Stuart is aided in this quest by his girlfriend Denise, geologist friend Bert, and quantum physicist/all-around pain in the ass Barry Kripke. Along the way, they meet alternate-universe versions of characters we’ve come to know and love from “The Big Bang Theory.” As the title implies, things don’t go well,” reads the show’s synopsis.

Check out the new trailer for Stuart Fails to Save the Universe below (watch more trailers):

What happens in the Stuart Fails to Save the Universe teaser trailer?

The trailer opens with Stuart encountering an alternate version of himself, who reveals that he has the power to stop the birth of an apocalyptic timeline. It then follows Stuart as he travels through multiple realities inspired by comic books and geek pop culture, including a world that resembles The Matrix. Along the way, he meets an alternate version of Kripke, who is a benevolent ruler of South Pasadena in a different reality. While there aren’t any direct cameos from The Big Bang Theory in the trailer, there’s a brief glimpse of comic book art showing Leonard Hofstadter.

The series’ cast includes Kevin Sussman, Lauren Lapkus, Brian Posehn, and John Ross Bowie. The show is produced by Chuck Lorre Productions in association with Warner Bros. Television. Stuart Fails to Save the Universe is created, written, and executive produced by Chuck Lorre, Zak Penn, and Bill Prady.

Poster for Stuart Fails to Save the Universe