Attention Young Sheldon fans! Season 7, episode 3 sets up George's cheating scandal, a dark childhood memory Sheldon recalls in The Big Bang Theory. The incident, anticipated in the prequel, was delayed due to other plots. Despite George and Mary's stable marriage, George's infidelity may finally be exposed in season 7. The couple's separation leads to a rediscovery of their romance through letters. Episode 4 teases Sheldon's infamous cheating story, highlighting a potential twist in the narrative. Will George really cheat on Mary in Young Sheldon season 7? Find out in new episodes airing Thursdays on CBS. Young Sheldon explores the childhood of Sheldon Cooper, providing insight into his academic upbringing in Texas and his family dynamics.