Exchange Student Zero

Season 1, Episode 13: Dead Cute

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Max's shortcut to getting himself a valentine and Denmead's opportunistic nature combine to create mayhem in the form of the Malentwine, an impossibly cute creature that possesses the mind of any girl that touches it. A craze takes off and John and Max look to cash in. However, there is a downside - the end of the world as we know it. Just another day at South Port High.