Sheldon reads 'How to Make Friends and Influence People' (which in 'Big Bang', he's unfamiliar) - Rockets, Communists, and Dewey Decimal System (S1 E2)
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Mistakes in the TV show young Sheldon
#2
Suggested by
Jamie Murphy
Placement of Scandium (Sc) in the periodic table - A Patch, A Modem, and a Zantac (S1 E6)