After the kids use Jack's gadgets, Argon's head mercenary, Sean Irons, brings his team to track down the power source.

The showdown takes place during the school dance, ending with Charlie sending Argon through a portal to another dimension with a grenade.

Secret Headquarters was announced in January 2021, when it was reported that Henry Joost and Ariel Schulman would direct the film for Paramount Pictures and would also work on the current draft for the project with Josh Koenigsberg from an original idea by Christopher Yost.

[4][5] In June, Michael Peña, Walker Scobell, Momona Tamada, Keith L. Williams, Abby James Witherspoon, and Kezii Curtis were all announced as part of the cast.

The website's consensus reads: "There are far worse family viewing options, but given the talent assembled, Secret Headquarters is a disappointingly bland and muddled action movie.