When Leonard and Howard go on a double date with Penny and Bernadette, Rajesh becomes the fifth wheel, and decides to seek a hook-up going to a university mixer accompanied by Sheldon (who was looking forward to spending his time alone, but was dragged alongside Raj.) However, when they score and get two girls back to their apartment, their week takes an unexpected turn. Meanwhile, Leonard learns that Penny believes in psychics, and his frustration over it causes her to dislike him. The only way Leonard can get Penny back now, is to meet the psychic and see how real it is.