The Endgame Syndrome, Part 1

The Endgame Syndrome, Part 1 was the twelveth episode of Season Four and the beginning of the Men in Black: The Series series finale. Originally aired on June 23, 2001, the episode was written by Dean Stefan and directed by Chris Berkeley.

Synopsis
Alpha, Vangus and the Ixions return to Earth, working together to threaten all life on the planet. With invasion imminent, Zed decides to reveal MiB's existence to the world.