S1·E1 Lost My Marbles
Aired January 21, 2002
Synopsis
A day at the library turns into a cyberventure when Jackie, Matt, and Inez learn that Hacker has kidnapped Dr. Marbles, the only person who can save Motherboard from an evil virus. The rescuers learn to use a map as a mathematical tool as they navigate across a cyber island in search of Marbles—then try to escape before a huge earthquake turns the island inside out.