Now comes Stuart Fails to Save the Universe, a project that may be the strangest and potentially boldest evolution of the franchise yet.

For nearly 20 years, The Big Bang Theory universe has been on TV near-constantly, either with its original show, or with spin-offs Young Sheldon and Georgie & Mandy’s First Marriage.

The trailer opens with Bert (Brian Posehn) entering Stuart's comic shop, followed by a montage of scenes featuring a wormhole, an alternate version of Stuart, flying dragons, combat soldiers, drones, ...