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0:43 Young Sheldon Season 3 Finale Sneak Peek
Spin-off of "The Big Bang Theory" follows 9-year-old Sheldon Cooper as he grows up in East Texas and attends high school.
It's no theory, these shows are proven to make you laugh
Mark your calendars accordingly
Here's what's returning next season
Sheldon gets a recruitment letter from Caltech in this exclusive clip
A nostalgic glimpse into the future