Danica McKellar Danica McKellar

What comes to mind when you hear Danica McKellar's name? Wonder Years alum, actress, mathematician, author... stripper?! Apparently so, to Secret Life of the American Teenager's Ethan at least.

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In this exclusive clip from Monday's episode (8/7c, ABC Family), Ethan (Michael Grant) and Kathy (Cierra Ramirez) go house-to-house surveying people about their usage of algebra as part of their attempt to remove it from their curriculum. When McKellar answers one of the doors, Kathy is excited to see her. Ethan, on the other hand, thinks she looks familiar for entirely the wrong reason. Watch: