Men in Black - Watch Order: Release Order
The Men in Black franchise follows secret agents who monitor and police extraterrestrial activity on Earth, blending science fiction with comedy in a unique and entertaining way. The series centers primarily on the partnership between Agent K and Agent J, played by Tommy Lee Jones and Will Smith respectively.
This watch order presents all four films in release sequence, beginning with the original trilogy that follows the J and K partnership through their adventures, including a time-travel storyline that enriches their backstory. The final film, Men in Black: International, shifts focus to new agents but remains within the same universe, referencing the legacy of the original duo.
Linear Timeline: Release Order = Story Order

Men in Black
After a police chase with an otherworldly being, a New York City cop is recruited as an agent in a top-secret organization established to monitor and police alien activity on Earth: the Men in Black. Agent K and new recruit Agent J find themselves in the middle of a deadly plot by an intergalactic terrorist who has arrived on Earth to assassinate two ambassadors from opposing galaxies.

Men in Black II
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.

Men in Black 3
Agents J and K are back...in time. J has seen some inexplicable things in his 15 years with the Men in Black, but nothing, not even aliens, perplexes him as much as his wry, reticent partner. But when K's life and the fate of the planet are put at stake, Agent J will have to travel back in time to put things right. J discovers that there are secrets to the universe that K never told him - secrets that will reveal themselves as he teams up with the young Agent K to save his partner, the agency, and the future of humankind.

Men in Black: International
The Men in Black have always protected the Earth from the scum of the universe. In this new adventure, they tackle their biggest, most global threat to date: a mole in the Men in Black organization.
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