: The film establishes that Father (Benedict Uno) is actually Nigel’s uncle, making Grandfather Nigel's grandfather.
: It is revealed that the Delightful Children From Down The Lane were originally Sector Z , a top-tier KND team brainwashed by Father. Codename: Kids Next Door - Operation Z.E.R.O.
As the KND organization is quickly overrun, Numbuh 1 (Nigel Uno) embarks on a desperate mission to find the legendary hero, , the only operative believed to have the power to defeat Grandfather. Key Revelations and Twists : The film establishes that Father (Benedict Uno)
: The film explains the significance of the Book of KND, a legendary archive of past stories and the source of the organization's power. Codename: Kids Next Door - Operation Z.E.R.O.