Sheldon and Leonard are no strangers to bullies and Internet feuds, but on Thursday’s episode of The Big Bang Theory , they will find themselves face-to-face with an online hater who hits them right where it hurts — their work. After the pair publishes a cutting-edge physics paper, they find themselves the target of a bully who knows just how to get under their skin, and they set out to take the faceless foe down.
