MacGyver (2016): Season 4, Episode 13

4 - 13: Save + The + Damn + World

With Mac and Riley undercover with Codex, hoping to stop the organization from within, their mission is interrupted when Russ, Desi and the Phoenix team move to prevent Codex from detonating a weapon of mass destruction, with Mac and Riley caught in the crosshairs. Also, the team discovers Russ' real reason for purchasing the Phoenix Foundation.