George Cooper Sr. dies of a heart attack in "Young Sheldon" season 7, episode 12, "A New Home and a Traditional Texas Torture," which aired before the series' emotional two-part finale.

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Lance Barber played George Cooper Sr., Sheldon's father, on the series. Even though George died in the final season of Young Sheldon, Cooper reprised his role for an episode of Georgie & Mandy's ...