Stuart Fails to Save the Universe

Stuart Fails to Save the Universe (stylized in all caps) is an American science fiction comedy television series created by Chuck Lorre, Zak Penn, and Bill Prady. The series is the fourth television series in The Big Bang Theory franchise, and the second direct spin-off of the sitcom The Big Bang Theory. It premiered on HBO Max on July 23, 2026. In August 2026, the series was renewed for a second season.