- Edited for Syndication: In Australia, the Science Club segments are left in and the credits are cut short... But in the UK, the full credits are shown and the Science Club segments are cut.
- No Export for You: Despite having an English dub, the series has never aired in North America.
- What Could Have Been: Zero was originally an albino, but then they changed her eyes from red to blue, which is strange since Albino kids can have blue eyes.
- Developmental sketches of the four main characters have surfaced online and their are some major difference. Originally, Vin and Trixie had different outfits and hair styles, Newton's bangs were curly and Zero had blood red eyes.
- The Wiki Rule: The Invisible Network of Kids Wiki.
Trivia / Invisible Network of Kids