Sheldon Cooper is the smartest person in the room... sometimes. Welcome to MsMojo, and today were counting down our picks for the times when young Sheldon lived up to his child genius status and times he was knocked off his perch. Our countdown includes Sheldon vs. engineering, the twin study, playing by the rules, and more! What do YOU think was Sheldons smartest moment, and which moments had you questioning if he really is a kid genius? Let us know in the comments!

Watch more great Young Sheldon videos here:
Top 10 Questions Young Sheldon Never Answered - https://youtu.be/arTexdtOyaY
Top 10 Small Details You Didnt Notice on Young Sheldon - https://youtu.be/RWLonYEKZ-c
Top 20 The Big Bang Theory Questions That Got Answered in Young Sheldon - https://youtu.be/IIDcHYuB5aw

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