Hacker uses a long-lost ring to get his heart's desire. He wishes all the wheels in Radopolis to disappear. He then makes himself King of Radopolis. The CyberSquad shows up and tries to confront Hacker, but fail, only to have Hacker dump an avalanche of tires on them. However, the kids get some unexpected help from a boy named Slider. Part of the "Cyberchase" series.