Spoiler alert for Young Sheldon season 7, episode 9 - Sheldon's decision on post-grad school highlights why the Coopers were absent from The Big Bang Theory finale. As Sheldon completes college in Medford, Young Sheldon refocuses on his character after advancing Georgie and Mandy's stories. Since returning from Germany, the show has shifted focus away from Sheldon. Young Sheldon may be the last time his story is central to The Big Bang Theory universe, connecting his childhood in Texas with his future success. Tune in to Young Sheldon season 7 on Thursdays at 8pm ET on CBS for more.