While George doesn't technically start an extramarital affair with Brenda (yet), their interactions in Young Sheldon season 5 sets up his divorce.
Spoilers ahead for Young Sheldon season 6, episode 14. Young Sheldon willingly ruins Mary in order to justify George's cheating ways with Brenda as in season 6 the long-simmering marital issue between the Cooper parents finally reaches its boiling point.
In "Hot Tub Contamination," the socially-inept genius confessed to Penny that the reason he started knocking thrice was because he once walked in on his dad cheating on his mom. Not confronting George about it...
Out of all the bad things Sheldon and Mary said on Tbbt about George, Sheldon's confession about catching his father having sex with a different woman was arguably the worst.
Young Sheldon season 4 floated the idea that George could start an affair with Brenda Sparks, but their mutual attraction somehow fizzled out in season 6 as George rekindled his romance with Mary instead.
A new Young Sheldon season 6 episode 14 clip sees Mary finally catching George flirting with Brenda. The neighbors' borderline inappropriate interactions have been going on for a while now, and even Missy knows about their secret meet-ups.
She could see that Mary was eyeing Pastor Rob and saying something about Rob having multiple dates would make Mary jealous. Brenda could tell George about Mary's feelings for Rob and start a fight. Between Mary's jealousy and George's outrage, he might do something irrational -- like having an affair.
Young Sheldon season 5 was been particularly active in setting up when the Young Sheldon dad cheats and confirms that George did cheat on Mary. His budding relationship and obvious attraction towards his newly single neighbor, Brenda Sparks (Melissa Peterman), appears to be the beginning of his unfaithfulness.
Young Sheldon Finally Reveals Why George and Mary Never Divorced. Young Sheldon is building to George's affair, but he and Mary will never divorce. While that seems odd, they had a good reason for staying together.
While Georgie and the mother of his first child, Mandy, are no longer together in the show, it was never explained what happened between them, even though Mandy majorly impacts The Big Bang Theory. In the opening scenes of ”A Tougher...
This was explained by Sheldon in a conversation with Penny on TBBT: he does this because he walked in on his father having an affair with a woman.
Because of The Big Bang Theory, fans of the series know that Sheldon's dad dies when he is 14, about a year after Sheldon discovers his father having an affair. Season 7 seems the most likely point for George's death.
Warning! Spoilers ahead for Young Sheldon season 6, episode 14. Young Sheldon willingly ruins Mary in order to justify George's cheating ways with Brenda as in season 6 the long-simmering marital issue between the Cooper parents finally reaches its boiling point.
Many Big Bang Theory fans are curious about what happens to Sheldon's dad. The most heartbreaking thing is the fact that Sheldon's dad's death was from some heart complications. His exact age at the time of his death remains uncertain, but he would be at least 50 when he passes away. George Sr.
Georgie & Mandy's Marriage Will Unfortunately Not Last
But, unfortunately, their romance isn't set to last. As also revealed in The Big Bang Theory, Georgie has several failed marriages.
Plus, EP Explains Georgie and Mandy's Daughter's Name - IMDb. Georgie Cooper is officially a dad! During Thursday's Young Sheldon, Mandy gave birth to their daughter — a precious “niblingo” by the name of Constance.
George was always described as a no-good dad who was negligent and lazy. To make matters worse, Sheldon even revealed that he caught George having an affair behind his mom's back, which Young Sheldon has set up, leading to their divorce.
The episode also acknowledged that Missy is now 13 years old — which, according to Big Bang, is the age where Sheldon walks in on his father having sex with another woman. “I was 13 years old, and on spring break from college,” Sheldon told Penny during Season 10 of the mothership.
In "The Sales Call Sublimation" (S9E12), Sheldon claims that his father used to work in a store, but later got fired because he was stealing money from the cash register, something that Sheldon ratted him out for.
Herschel Sparks is the father of Billy Sparks and Bobbi Sparks and husband to Brenda Sparks. He appears in the series spinoff "Young Sheldon" where he is a neighbor of Sheldon and his family.
Nothing happened between them, but both realized their mutual attraction to each other. However, Young Sheldon season 5 eventually dropped the whole plotline to instead focus on Mary's own possible affair with Pastor Rob.
The cliffhanger ending about George (Lance Barber) seeking Brenda (Melissa Peterman) to start an affair was secretly answered in Young Sheldon season 5, episode 12.
They have clashed about a lot of things; Brenda didn't particularly like Mary's self-righteousness, and she felt as if her neighbor was too judgmental of her and everyone else in general.