Big Bang Theory Quiz: Who Said It - Young Sheldon Or Old Sheldon?

Sheldon Big Bang Theory
CBS

11. "No More High Fives. I Can't Keep Washing My Hands."

Young Sheldon

Old Sheldon
Contributor

This standard nerd combines the looks of Shaggy with the brains of Scooby, has an unhealthy obsession with the Marvel Cinematic Universe, and is a firm believer that Alter Bridge are the greatest band in the world.