Amy and Wil Wheaton get into a fight while filming a new episode of Fun With Flags, and Amy gets upset with Sheldon for not defending her. Confused, Sheldon goes to Penny for advice, gets drunk on Long Island Ice Teas, and then drunkenly confronts Wil and demands an apology. Meanwhile, Bernadette wants Wolowitz to completely move out of his mother's house, but when she learns how much his mother depends on him, she can't let him go through with it.