^hot^ - Young Sheldon S05e19 240p

Sheldon's research on string theory is going well, but he's having trouble with his collaborator, Dr. Gellar. When Dr. Gellar brings in a new research partner, Brenda, Sheldon feels threatened by her youth and intelligence. Brenda turns out to be a brilliant scientist, and Sheldon becomes increasingly frustrated as she consistently solves problems that he can't.