The first season of the popular The Big Bang Theory spin-off series is arriving on HBO Max today. The show serves as a sequel spin-off to Young Sheldon and has become a popular addition to the franchise. It is the second of three spin-offs in The Big Bang Theory franchise, following Young Sheldon. Georgie is the older brother of Sheldon Cooper, the central character of The Big Bang Theory and its prequel series, Young Sheldon. Meanwhile, fans are also looking forward to The Big Bang Theory’s third spin-off, Stuart Fails to Save the Universe.