Warner Bros. Entertainment Georgie & Mandy’s First Marriage reintroduces viewers to characters from Young Sheldon while bringing in some new faces as well. The Big Bang Theory, which aired from 2007 to 2019, starred Jim Parsons (Sheldon Cooper), Kaley Cuoco (Penny Teller), Johnny Galecki (Leonard Hofstadter), Simon Helberg (Howard Wolowitz), Kunal Nayyar (Raj Koothrappali), Mayim…
