 The episode opens with the Griffin family watching television . A commercial for local auditions of the syndicated game show Family Feud is shown , prompting them to try out the next day . The Griffins are chosen for the show and reach the final round . During a fight with Richard Dawson about <unk> on the prize money , Peter hits his head . This causes him to forget everything about his life , including his family and friends . Lois tries to jog his memory by reintroducing him to his old self , including his children and his sex life . Unfortunately , this causes Peter to believe that he 's free to have sexual relations with others in his newfound " bachelorhood . " Lois had earlier told him that it is inappropriate to have sex with his children - in response , Meg attempts an incest joke ( " Well , I wish you would 've told him that BEFORE he lost his memory ! " ) . Most of the family lambaste her for this and Chris kicks her out of the room . Deeply angered , Lois decides to move out , taking the kids . When Quagmire finds out , he jumps on the opportunity to pursue a relationship with Lois . 
