Hacker shows up at Control Central. He pleads guilty to being the King of Chaos, but says he’s sorry. He doesn’t want to be the bad guy anymore. But when nobody’s looking, he slips a strange frog into the air duct. What happens when this frog grows into a grotesque, alien creature that threatens to destroy Motherboard? And what will happen to the kids when they go inside Motherboard to track it down? Part of the "Cyberchase" series.