Men in Black: The Series - Season 4 - Eps 1: The Musical Chairs Syndrome
Changes abound at MIB as Dr. Zeeltor takes over in the lab for Elle, who has become a field agent and gotten partnered with an alien named Agent X. As these new changes set in, MIB has to stop New York from being devoured by a Barooga.
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)