Big Bang Theory spin-off Young Sheldon has explained one of the title character’s funniest quirks and set up one of the sitcom’s longest-running gags in the process. In both shows, characters are used to Sheldon being deeply particular, demanding that things be just so.
One of The Big Bang Theory's longest-running gags revolves around his claim over a very specific spot on the couch, generally sending the character into an irate tirade whenever anyone else sits there. Penny was the first to sit
. Read more on screenrant.com