Season 1, Episode 21 Less than Zero
First Aired: July 3, 2002
The Hacker's henchmen kidnap the leaders of Cyberspace and hide them in a building with sub-basements, which makes a knowledge of negative numbers useful. 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)