Leonard is hesitant when a bully from high school wants to meet for a drink. Meanwhile, Penny comes to realize she was a bully herself.
Newman uses Kramer as his witness when the former refuses to pay for a speeding ticket.
Jerry is asked to explain to his parents why he does not wear the watch they gave him. Morty Seinfeld thinks his wallet has been stolen from him at his doctor's appointment.
Jerry tries to buy his watch back from Uncle Leo, who found it in the garbage, having been thrown there by Jerry.
On their way to the family cabin, George and Susan visit a boy who lives in a bubble. Kramer and Naomi start a fire that ends up burning down the cabin.
Leonard seeks Penny's counsel when his relationship with Stephanie takes off faster than he'd like. Sheldon's hypochondriac tendencies get the better of him.
When Abishola finds out Tayo has given Dele a credit card, she worries he's being spoiled and becomes stricter with him. Worried Abishola is being too harsh, Bob goes behind her back to do something special for Dele.
Sheldon and Missy learn about Georgie's pregnancy, and the whole family promises to keep it a secret.
Raj and Leonard see "Castle" star, Nathan Fillion sitting at a restaurant and debate whether or not it’s really him and whether or not they should ask him for a picture.
As a joke, Sheldon and Penny try an experiment designed to make participants fall in love. Also, Leonard, Amy, Raj and Emily spend the evening trying to escape a room with a “zombie.”
Leonard and Sheldon each lie to avoid hearing Penny sing in a production of Rent. However, Sheldon's lie becomes a bit too complicated for its own good.
A vegan marshmallow creme; a non-invasive digital pet thermometer; a drawing app that utilizes augmented reality; a line of Filipino American sauces and condiments.
Sheldon goes to Vegas to win money for science. Also, Penny and Bernadette take Amy wedding dress shopping, but her terrible choice entangles them in a web of lies.
When Sheldon learns that his mother won’t attend his wedding unless he invites his brother, Georgie, he and Leonard travel to Texas to end a family feud.
Danny and Baez join forces with Danny's old partner when a serial killer reappears; Eddie faces backlash when she tries to help a woman who accuses a sergeant of rape; Jamie clashes with his nephew.