The Big Bang Theory may turn out to be one of the last blockbuster sitcoms of its kind, and it left behind one of the most unlikely pop culture icons as well — Sheldon Cooper. The antisocial genius played by Jim Parsons captured fans’ hearts over the course of 12 seasons and nearly 300 episodes

Georgie and Mandy's First Marriage' has incorporated appearances from 'The Big Bang Theory' and 'Young Sheldon' stars

On the car ride to New Orleans, Georgie revealed to Jim that he called Sheldon and learned a few Korean phrases to be as prepared as possible. When Jim questioned how his brother knew Korean, Georgie shrugged and said he learned not to ask his brother how he knew things.

"George and Mandy's First Marriage" just debunked a major Sheldon Cooper hypothesis that "Big Bang Theory" fans have long believed.