Lisa becomes a crossword puzzle master and Homer bets money on her competitions to make up for revenue lost from his couples' break-up company.
* ComicallySmallBribe: When Bart and Lisa's lemonade stand is about to be shut down for not having a proper license, Bart drops some cents to bribe the inspector. It obviously fails.
* ContrivedCoincidence: Homer, Marge, Bart and Maggie have shirts with the letters to spell Lisa's name and accidentally spell "Ilsa" when Lisa is playing against a rival who goes by that name.
* NomDeMom: When Homer bets against Lisa, it hurts her feelings to the point she decides to use her mother's maiden name.