After the disappointing 2nd film, the M.I.B. series returns to form. Agent J (Will Smith) has to go back in time to save his partner, Agent K (Tommy Lee Jones) and the rest of the world from a mad alien out for revenge. To do so, he must team up with a younger K, played here by Josh Brolin.
Also stars Jermaine Clement, Michael Stuhlbarg, and Emma Thompson.