Episode Overview
Marshall jumps into the world of cell phones, but his new business partner, Tyler, pressures him to use his special smiley code to cheat on a test—and Marshall goes along with it. Guilt quickly eats at him, but Tyler warns him to keep quiet. Then Marshall's own invention turns on him, leaving him unable to speak clearly. To make things worse, Professor Z and Principal Durst uncover the cheating scheme involving Tyler, putting Marshall in a tight spot.
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Season 2 Episodes 13
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