Men in Black: The Series - Season 4 - Eps 12: The Endgame Syndrome, Part 1
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.
About Men in Black: The Series

Title: Men in Black: The Series
First Air Date: 1997-10-11
Last Air Date: 2001-06-30
Status: Ended
Rating: 7.3/10 (from 180 votes)
Language: EN
Seasons: 4
Total Episodes: 53
Network: The WB
Genres: Animation, Action & Adventure, Sci-Fi & Fantasy
Production Companies: Adelaide Productions, Columbia TriStar Television
Synopsis
A secret government organization made up of men provide intergalactic immigration services for Earth-bound aliens.
Cast

Gregg Berger
Agent K (voice)

Keith Diamond
Agent J (voice)

Charles Napier
Chief Zed (voice)

Jennifer Martin
Agent Elle (voice)

Adam Baldwin
Agent X (voice)