Season 2, Episode 3 Harriet Hippo and the Mean Green
First Aired: April 1, 2003
Hacker creates a new virus, which causes cyber-citizens to act mean, and Digit and the kids go in search of an antidote. But the ingredients have to be mixed before it's too late. Voice of the Hacker: Christopher Lloyd.
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- Premiered: January 21, 2002
- Rating: TV-Y
- Premise: Three kids use their math skills to save cyberspace from the dastardly Hacker. (more)