<P> In November 2016, it was reported that CBS was in negotiations to create a spin - off of The Big Bang Theory centered on Sheldon as a young boy . The prequel series, described as "a Malcolm in the Middle-esque single - camera family comedy" would be executive - produced by Lorre and Molaro, with Prady expected to be involved in some capacity, and intended to air in the 2017--18 season alongside The Big Bang Theory . The initial idea for the series came from Parsons, who passed it along to The Big Bang Theory producers . In early March 2017, Iain Armitage was cast as the younger Sheldon, as well as Zoe Perry as his mother, Mary Cooper . Perry is the real - life daughter of Laurie Metcalf, who portrays Mary Cooper on The Big Bang Theory . </P> <P> On March 13, 2017, CBS ordered the spin - off Young Sheldon series . Jon Favreau directed and executive produced the pilot . Created by Lorre and Molaro, the series follows 9 - year - old Sheldon Cooper as he attends high school in East Texas . Alongside Armitage as 9 - year - old Sheldon Cooper and Perry as Mary Cooper, Lance Barber stars as George Cooper, Sheldon's father; Raegan Revord stars as Missy Cooper, Sheldon's twin sister; and Montana Jordan as George Cooper Jr., Sheldon's older brother . Jim Parsons reprises his role as adult Sheldon Cooper, as narrator for the series . Parsons, Lorre, Molaro and Todd Spiewak will also serve as executive producers on the series, for Chuck Lorre Productions, Inc. in association with Warner Bros. Television . The show's pilot episode premiered on September 25, 2017 . Subsequent weekly episodes began airing on November 2, 2017 following the broadcast of the 237th episode of The Big Bang Theory . </P>

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