- Leonard finally has enough of Sheldon and decides to move out and go live with Penny. She doesn't really want him to move in, but can't tell him that. Sheldon then tells Amy he needs to find a new roommate and she says they should move in together. Sheldon doesn't know how to say no either. Eventually, Penny and Sheldon realize they have to confront their partner with the truth.

- Howard and Bernadette go to Las Vegas on a business trip. He asks Raj to stop by and visit with his mother. It doesn't go well. Raj ends up drunk, sleeping in Howard's silk pajamas, and Mrs. Wolowitz won't let him leave.