Two And A Half Men: Season 7, Episode 17

7 - 17: I Found Your Moustache

Chelsea has started dating Brad. Charlie stalks her with the help of Alan, and after having a post-breakup one-night stand, the two are left re-thinking about if it was right for them to break up. Charlie tries to win her back, and takes relationship advice from her father and his boyfriend; Charlie tells Alan he likes having him live at the house which brings Alan to tears of happiness. Title quotation from: Chelsea, to Charlie, handing him the fake moustache that Alan loaned him.