This Ain't Happy Days XXX: Fonzie Luvs Pinky (2009)

Fonzie gets upset when he is reminded of his one true love, Pinky Tuscadero by her little sister, Leather. When he leaves his leather jacket lying around, the Polaski twins mistake Potsie for the Fonz. Lori Beth asks Richie to help her study while Marion sneaks into the Leopard Lodge. There Howard is organizing a boys-only welcome party for Germany's Grand Poobah.