Cyberchase

Cyberchase is an American/Canadian cartoon series created by Sandra Sheppard.

Synopsis
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 assistants, Buzz and Delete, until a cure is found.


 * Source: https://en.wikipedia.org/wiki/Cyberchase