Season 1, Episode 19 Trading Places
First Aired: March 1, 2002
The kids learn about negative numbers when they search in a building with floors above and below ground for the leaders of Cyberspace, who have been kidnapped by the Hacker (voice of 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)