This episode provides significant character development for several main characters:
Sheldon’s academic ego gets a jolt when a new 15-year-old physics prodigy, Dr. John Sturgis’s grandnephew (Paige), shows up in his college class. Meanwhile, Mary struggles with her own insecurities after a confrontation with another mother, and Georgie tries a hilariously misguided moneymaking scheme. young sheldon s01e21 m4b