The knd must find a way to stop grandfather from ruling the world and turning everyone including adults into senior citizen zombies. Meanwhile numbuh one finds out his loser dad was the great numbuh zero.
Directed By
Tom Warburton, Guy MooreWritten By
Alison Wilgus, Tom Warburton, Mo WillemsStudio
Curious Pictures, Cartoon Network StudiosWatch on these services
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Cast of Codename: Kids Next Door - Operation Z.E.R.O.