Honey, It Takes Two to Mambo

Dianes große Schwester Elaine kommt zu Besuch, um in der Stadt eine Signierstunde für ihr neues Buch zu geben. Der neugierige Wayne will sich mit Hilfe seiner Erfindung Einblick in Elaines Gehirn schaffen. Dabei beamt sich ihr Gehirn in seinen Kopf und Elaines Körper irrt „gehirnlos“ umher.

Diane's sister, Elaine, is in town. Wayne doesn't like her. So he and Amy tried to lock up the house to make Elaine think they aren't home but Diane came down and let her in. So Wayne tries to invent something so he could understand her. As usual Wayne's creation went wrong and Elaine's personality got into Wayne's Brain. Now the family must work together to get everything back to normal until they found out that the Elaine's help is evil. She took control of Elaine's body. Now the family must stop her.

La tante Elaine vient en visite chez les Szalinski. Elle est en tournée pour la promotion de son livre. Wayne ne l'aime pas. Ainsi, afin de se rapprocher d'elle, il tente de se connecter à son cerveau. L'expérience tourne mal et Wayne a la mauvaise surprise de voir Elaine investir son corps !