It’s Halloween Haunt-O-Rama in R-Fair City, and Hacker has a wicked treat up his sleeve. He plans to keep the kids out of Cyberspace forever by crashing Motherboard’s portal system. When Buzz and Delete make a mistake, the portal system crashes, and the kids and Digit are trapped in R-Fair City. Now, the kids must find enough energy to power Digit’s portal rebooter and keep the amusement park going. But with the celebration in full swing, can they save enough energy to make it back to Earth? Part of the "Cyberchase" series.