The early years of Sheldon Cooper, the brilliant character from The Big Bang Theory, are the subject of the humorous comedy spin-off Young Sheldon.

Here are all the inconsistencies in Young Sheldon that don’t match with The Big Bang Theory.

featured heavily on "Big Bang Theory" T-shirts, posters, memes, and all sorts of fandom ... "The Big Bang Theory" prequel series "Young Sheldon" provides an explanation for how Sheldon came ...

Need a break? Play the USA TODAY Daily Crossword Puzzle. 'Young Sheldon last week: George Cooper's death is flawed father's 'Big Bang' redemption Sheldon doesn't speak at his father's funeral ...

Getty Images/CBS Iain Armitage (Sheldon Cooper) — Armitage was just nine years old when “Young Sheldon” started. Now, he’s a full-fledged teenager at 15 years old. CBS/EvansVestalWard ...

CBS announced Tuesday that producer Chuck Lorre's coming-of-age sitcom and spinoff of hit comedy "The Big Bang Theory," starring Iain Armitage as young Sheldon Cooper, will end with a one-hour ...

like CBS does with "Young Sheldon," you don't typically end the show at the height of its popularity. But then, there's nothing typical about the Cooper family, or their brilliant, sometimes ...