Codename: Kids Next Door: Operation Z.E.R.O. (2006)
Kernel Score: 87% · 244 ratings
Genres: Animation, Science Fiction, TV Movie, Adventure, Family, Comedy, Fantasy, Mystery, Action
Released: 2006-08-11
Runtime: 73 minutes
Where to watch Codename: Kids Next Door: Operation Z.E.R.O.
- Free with ads: Tubi
US availability, updated 2026-10-23.
Overview
The villains of the Kids Next Door, lead by Father, join forces to resurrect the Ultimate Evil, Grandfather, a tyrant who once ruled the world many years ago when most of the villains were themselves kids. However, Father disgraced him that he can't even try to destroy the KND and the Villains were quickly betrayed when they are turned into Senior Citizombies, creatures that are immortal and can transform any living creature into one of them and slaves who are forced to make Tapioca to refuel Grandfather so he can find and destroy the Book of K.N.D.
Codename: Kids Next Door: Operation Z.E.R.O. parents' guide: ages 5+
Parents need to know that this animated TV movie features cartoonish villains, zombie-like 'senior citizombies,' and fantasy peril aimed at kids.
- Violence & scariness: Some — Cartoonish action and zombie-like transformations played for comedy rather than realistic threat.
Fresh Kernels AI-assessed from publicly documented content. A guide for families, not an official rating.
Movies like Codename: Kids Next Door: Operation Z.E.R.O.
If you liked Codename: Kids Next Door: Operation Z.E.R.O., these are the movies we'd watch next.
- Phineas and Ferb: Star Wars (2014) — 81%
- Scooby-Doo! Return to Zombie Island (2019) — 77%
- Treasure Planet (2002) — 84%
- Scooby-Doo! and the Goblin King (2008) — 84%
- High School of the Dead: Drifters of the Dead (2011) — 84%
- Phineas and Ferb The Movie: Across the 2nd Dimension (2011) — 78%
- Batman vs Teenage Mutant Ninja Turtles (2019) — 78%
- The Day the Earth Blew Up: A Looney Tunes Movie (2024) — 85%
Director
Guy Moore
Cast
- Ben Diskin as Nigel 'Numbuh 1' Uno / Hoagie Pennywhistle 'Numbuh 2' Gilligan Jr / Numbuh 101 (voice)
- Lauren Tom as Kuki 'Numbuh 3' Sanban (voice)
- Dee Bradley Baker as Wally 'Numbuh 4' Beatles / Mr. Fibb / Toilenator / Joaquin / Tommy Gilligan (voice)
- Cree Summer as Abigail 'Numbuh 5' Lincoln / Former Numbuh 11 - Cree Lincoln (voice)
- Jason Harris as Chad Dickson (voice)
- Grey DeLisle as Crazy Old Cat Lady/Gramma Stuffum (voice)
- Jeff Bennett as Mr. Boss / Mr. Fizz / Benedict Wigglestein (voice)
- Jennifer Hale as Fanny 'Numbuh 86' Fulbright / Computer (voice)
- Mark Hamill as Stickybeard (voice)
- Tom Kenny as Knightbrace / Mr. Wink (voice)
Codename: Kids Next Door: Operation Z.E.R.O. FAQ
Is Codename: Kids Next Door: Operation Z.E.R.O. good?
Codename: Kids Next Door: Operation Z.E.R.O. has an 87% Kernel Score on Fresh Kernels from 244 audience ratings.
Where can I watch Codename: Kids Next Door: Operation Z.E.R.O.?
In the US you can watch it free with ads on Tubi.
Is Codename: Kids Next Door: Operation Z.E.R.O. OK for kids?
Fresh Kernels suggests ages 5+. Parents need to know that this animated TV movie features cartoonish villains, zombie-like 'senior citizombies,' and fantasy peril aimed at kids.
What movies are like Codename: Kids Next Door: Operation Z.E.R.O.?
If you liked Codename: Kids Next Door: Operation Z.E.R.O., try Phineas and Ferb: Star Wars, Scooby-Doo! Return to Zombie Island, Treasure Planet and Scooby-Doo! and the Goblin King.