Stuart Fails to Save the Universe, streaming on HBO Max, follows a bunch of secondary characters from the original. Stuart Fails to Save the Universe Season 2 Release DateAt the time of writing, there’s no official news available about a potential Stuart Fails to Save the Universe season 2. Stuart Fails to Save the Universe CastKevin Sussman as Stuart BloomLauren Lapkus as DeniseBrian Posehn as Bert KibblerJohn Ross Bowie as Barry KripkeRyan Cartwright as KyleJosh Brener as TrevorTommy Walker as GaryWhat Is Stuart Fails to Save the Universe About? Stuart Fails to Save the Universe takes a different approach, leaning heavily into science fiction. While Stuart Fails to Save the Universe season 2 isn’t a sure thing yet, season 1 episodes keep rolling weekly on HBO Max.