- Art room (mentioned)
- History room (mentioned)
- Science room
- Motherboard's vault
- Grim Wreaker
- Hacker's reading room (mentioned)
Hacker returns to wreak his revenge on Ms. Fileshare and hides her away in the Cybrary. Jackie, Matt, Inez and Digit must use deductive reasoning to sort through a maze of confusing facts to find Ms. Fileshare and help her escape. If they fail, that beastly ‘borg will steal the Cybrary’s most precious books – that reveal the most secret inner-workings of Motherboard!
- Math Topic: "Be Reasonable"
- For Real Segment: "Bianca Gets a Clue"
- Main article: Be Reasonable/transcript
Ms. Fileshare says Digit's name as "Mr. DeBoid," but it's truly Digit LeBoid.