Three main cast members from Young Sheldon will return for the spinoff series, Georgie & Mandy's First Marriage. The characters are expected to stick around for the first two episodes. Zoe Perry, Annie Potts, and Raegan Revord will be making guest appearances. There is a possibility of Iain Armitage appearing as Sheldon Cooper. The new spinoff will include Montana Jordan and Emily Osment as the titular characters, which is set to premiere on Thursday, Oct. 17 on CBS.