1 particular plot with Sheldon and Mary inYoung Sheldonseason 7 may have likely caused George’s unexpected death. TheYoung Sheldonfinalewrapped up with Sheldon’s move to California for his post-graduate studies at Caltech, perThe Big Bang Theory’s official canon. However, before the boy genius wrapped up his childhood in Texas, it was preceded by a tragedy with the death of his dad. While the incident was long-established inThe Big Bang Theory, details about it were unclear, including how exactly he met his end.Young Sheldonanswered that question, but it also posed a new mystery.
George’s deathhappened at the very end ofYoung Sheldonseason 7, episode 12, which was essentially the show’s penultimate offering. The outing was largely lighthearted and happy, with Mary’s husband getting an offer for his dream job. The family was more or less supportive, which made George’s sudden demise more disheartening. While his health issues had always been present inYoung Sheldon, the heart attack that killed him may be something that wascaused by Mary and Sheldon spending the past summer away from homeand in Germany for the boy genius' academic grant.

George Was Left With His Unhealthy Habits While Mary & Sheldon Were In Germany
Without Mary, George Was Able To Indulge
Young Sheldonhad subjected George a couple of times to a health scare. In season 1, he was rushed to the hospital by Mary, which left the kids with Meemaw. A few years later, he also had another incident following his borderline-inappropriate encounter with Brenda Sparks. Despite being a football coach, it was no secret that George had a weak heart, and while he used to indulge in unhealthy habits like drinking and binge eating, Mary was usually there to caution him. TheCooper familypatriarch would be unhappy about it, but he would also obey his wife.
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With Mary gone for a whole summer and Missy left to take care of the house,George was pretty much free to lean into his unhealthy habits. During Georgie and Mandy’s shotgun wedding, he was clearly out of breath as they rushed to the courthouse. Granted that everyone was running, but he was the only one who was severely struggling. It was an indication that George was in worse shape than before when his wife and son traveled to Germany for the summer.

George’s Unhealthy Habits & Additional Stress Likely Caused His Young Sheldon Death
The Cooper Patriarch Was Also Stressed
George’s unhealthy habits made his health worse, but it was also exacerbated by the other stressors in his life throughoutYoung Sheldonseason 7. For starters, he had to deal with the whole family after the Medford tornado forced Meemaw, Georgie, and Mandy with them. Secondly, Mary’s sudden desire for a kidforced George to have a vasectomy, and while it was rare that the procedure could lead to heart failure, it could have still contributed to George’s health secretly deteriorating.Young Sheldonprimarily played this arc for laughs so it was easy to miss.
Young Sheldon
Cast
A spinoff of the sitcom The Big Bang Theory, Young Sheldon follows the youth and coming-of-age of Sheldon Cooper during his childhood in Texas as he pursues science and academia. The show also follows his parents, siblings, and Mee-Maw, painting a picture of the world where Sheldon grew up.
