1: Discover how Sheldon's twin sister joins the gang in "Young Sheldon."

2: Explore Howard and Bernadette's journey to parenting in "Big Bang Babies."

3: Follow Raj and Emily's romance in "The Big Bang Love Story."

4: Uncover Penny's new career path in "Penny's Big Break."

5: Learn about Leonard's unexpected family secrets in "The Hofstadters."

6: Witness the return of fan-favorite characters in "The Big Bang Reunion."

7: Find out how Stuart's comic book store becomes a hit in "Stuart's Success Story."

8: Delve into Amy's groundbreaking scientific discovery in "Fowler's Find."

9: Experience the twists and turns of these spin-offs in "The Big Bang Legacy."