Young Sheldon, the prequel series to The Big Bang Theory, is ending its seventh season. Annie Potts, who plays Sheldon's grandmother, Meemaw, expressed surprise at the decision to end the show. Despite being the number one show on network TV and Netflix, the decision was made to wrap up the series while it was still successful. The finale will air on May 16. A spinoff series is in development, focusing on Georgie and Mandy as they start their own family. Source: AssignmentX.