Cyberchase

Cyberchase is a Canadian-American animated educational children's television series on PBS Kids. The series focuses around three children from Earth: Jackie, Matt, and Inez. They were brought into Cyberspace, a digital universe, in order to protect the world from the villain Hacker.[3] These kids are able to prevent Hacker from taking over Cyberspace by means of problem-solving skills in conjunction with basic math, environmental science, and wellness. In Cyberspace, they meet Digit, a "cybird" who helps them on their missions.

When three ordinary kids, Jackie, Matt, and Inez, accidentally allow the Hacker access to Motherboard, the supreme ruler of Cyberspace, she becomes severely weakened by a virus from Hacker. The kids are brought into Cyberspace and join forces with Digit, in an effort to protect the world from the Hacker and his clumsy, semi-intelligent assistants, Buzz and Delete, until they can recover the Encryptor Chip, a device stolen by Hacker that can nullify the virus and bring Motherboard back to full strength.