What is young sheldon based on?

Young Sheldon is a spin-off prequel to the popular sitcom The Big Bang Theory. The show follows a young Sheldon Cooper, a child prodigy who navigates high school while dealing with his family, including his twin sister Missy, older brother Georgie, and his parents. Set in East Texas, the show explores Sheldon's early years and his relationships with his family members and peers. Young Sheldon premiered in 2017 and has received positive reviews for its portrayal of Sheldon's character and origin story. The show has been praised for its humor and heartwarming moments, as well as the performance of the young actor Iain Armitage in the lead role.