Kay and Jay reunite to provide our best, last and only line of defense against a sinister seductress who levels the toughest challenge yet to the MIB's untarnished mission statement – protecting Earth from the scum of the universe. It's been four years since the alien-seeking agents averted an intergalactic disaster of epic proportions. Now it's a race against the clock as Jay must convince Kay – who not only has absolutely no memory of his time spent with the MIB, but is also the only living person left with the expertise to save the galaxy – to reunite with the MIB before the earth submits to ultimate destruction.
- Genre: Action, Adventure, Comedy, Science Fiction
- Studio: Columbia Pictures, Amblin Entertainment, Parkes+MacDonald Image Nation
- Keyword: saving the world, new york city, secret identity, undercover, space marine, illegal immigration, deportation, new identity, flying saucer, light, firearm, superhero, alien, buddy cop, fictional government agency
- Cast: Will Smith, Tommy Lee Jones, Lara Flynn Boyle, Rosario Dawson, Johnny Knoxville, Rip Torn