Men in Black: The Series - Season 1 - Eps 10: The Head Trip Syndrome
Jay mistakes a Cerebro-Accelerator for a pair of head phones, making him the smartest man on Earth. However, this will also cause his brain to explode in twenty-two hours. But his advanced brain is MIB's only hope when someone uses time travel to erase the five founders of MIB from existence.
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 171 votes)
Language: EN
Seasons: 4
Total Episodes: 53
Network: The WB
Genres: Animation, Action & Adventure, Comedy, Kids
Production Companies: Adelaide Productions, Columbia TriStar Television
Synopsis
Men in Black: The Series, also known as MIB: The Series and Men in Black: The Animated Series, is an American animated television series that originally aired on The WB's Kids' WB programming block from October 11, 1997 to June 30, 2001. The show features characters from 1997's science fiction film Men in Black, which was based on the comic book series The Men in Black by Lowell Cunningham, originally published by Aircel Comics.
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)