
WOW! Unlimited Media Inc.'s Vancouver-based Mainframe Studios, the TV division of Rainmaker Entertainment, partnered with the Weinstein Company to produce the series, with the series having a multi-season commitment.

The series was said to contain "as much comedy as wish fulfillment." FM DeMarco will be head writer of the series.

on May 6, 2015, with Michael Hefferon and Sean Jara announced as creators and with the villains being described as "as colorful" as the protagonists. The series was announced by Mike Fleming, Jr. The first and second seasons each consist of 10 episodes and will be produced by Mainframe Studios. On June 16, 2016, Netflix announced Spy Kids: Mission Critical was being produced by The Weinstein Company for release in 2018.

(Sinister Wrongdoers Against Mankind's Preservation) and their diabolical leader, Golden Brain. When a new counter-spy agency threatens the safety of the world, it will be up to junior spies Juni and Carmen to train and lead a team of fellow Spy Kids cadets against the forces of S.W.A.M.P.
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In Mission Critical, brother-and-sister team Juni and Carmen Cortez attend Spy Kids Academy, a top secret spy school for kid agents. Before the series was released, it was renewed for a second season, which was released on November 30, 2018. Its first season was released on Netflix on April 20, 2018. Spy Kids: Mission Critical is a computer-animated adventure- comedy streaming television series based on the Spy Kids franchise, and is a reboot of the franchise.
