Season 1, Episode 2 Castleblanca
First Aired: January 22, 2002
The Hacker plots to transfer Dr. Marbles' brainpower into his robot Megabyte. He's holding Marbles in a castle in Castleblanca, but which one? The kids must organize and analyze the clues they've found. 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)