Baby, You Knock Me Out
Family Guy Season 9 Episode 5 (11/14/10)
When the gang goes to Foxy Boxing for Peter's birthday, he ends up entering Lois into a boxing match. Soon, Peter becomes her promoter and drives Lois to start a boxing career. Lois uses her anger towards Peter to drive her and when Peter learns, he wants her to retire. However, when a violent boxer embarrasses her by humiliating Peter, she agrees to step in the ring for a final fight. After nearly getting herself killed, she takes down the woman.