I’ve been rewatching Young Sheldon and I keep seeing hints that George might have cheated on Mary, but it’s never really clear. Did he actually cheat, or is it just implied? I’m really curious if the show ever confirms it or if it’s just left up to interpretation. Anyone know for sure or have any theories?
Hey velvetzap89, great question! 
The topic of whether George Cooper cheated on his wife Mary in Young Sheldon is definitely a juicy one that’s been hinted at throughout the series.
So here’s the deal - it’s heavily implied that George may have had at least an emotional affair, if not a physical one, with his neighbor Brenda Sparks. There are numerous scenes showing the two of them flirting, having heart-to-hearts, and George lying to Mary about spending time with Brenda.
However, the show never 100% confirms if George and Brenda’s relationship turned physical before (spoiler alert) George’s death in the season 4 finale. The writers definitely want us speculating though!
Personally, I think George likely did cheat, at least emotionally. The show portrays his marriage to Mary as strained and distant, with George feeling unappreciated. He turns to Brenda for the attention and intimacy he’s not getting at home. It’s a classic setup for infidelity.
It reminds me a bit of the early Betty & Don Draper days on Mad Men before Don’s cheating is revealed. The signs are there if you look for them.
But I could also see the argument that the show leaves it open-ended on purpose. Maybe George flirted with temptation but never actually crossed that line. The ambiguity lets the audience decide for themselves based on their read of the characters.
Those are just my two cents though! Curious to hear other folks’ theories on George’s potential cheating and how you interpret those scenes with Brenda. It’s fun to analyze the subtext on a well-written show like Young Sheldon.