1x1 - The Long Goodbye Syndrome

October 11, 1997

While trying to get Skraaldians out of New York sewers, Jay uses his Noisy Cricket on one and kills it. Problem is, all Skraaldians are psychically linked and know what Jay did. And every last one will go after him to settle the score.

1x2 - The Buzzard Syndrome

October 18, 1997

Jay and Kay investigate a crashed alien ship in the woods when they encounter Treblor, an alien cop from the Zombarian Retrieval Department. Treblor says the owner of the crashed ship is a fugitive named Z-Ron. While Jay goes out ahead to get Z-Ron, Kay learns Treblor isn't who he says he is.

1x3 - The Irritable Bow-Wow Syndrome

October 25, 1997

A Charnok has to come to Earth and ransacked Jeebs' pawn shop as well as hunting reliable MIB informant, Frank the Pug. After some investigating, Jay and Kay learn the Charnok was trying to buy a Void Density Core from Jeebs, who didn't want to sell it. Frank made off with it during the fight and accidentally swallowed it. Now the MIB have to get the VDC out of him before it detonates and sucks the city into a miniature black hole.

1x4 - The Alpha Syndrome

November 1, 1997

Investigating the theft of a Sintillian heart, Kay learns the culprit is Alpha, his former mentor and the man who left him for dead years ago. But Jay and Kay discover Alpha now has multiple body parts grafted onto his body, becoming even more dangerous.

1x5 - The Undercover Syndrome

November 8, 1997

Jay goes undercover as a Tarkan bodyguard at an alien conference to protect Dirndl, Trade Minister of Tarka, from an alien assassin.

1x6 - The Neuralyzer Syndrome

November 15, 1997

While trying to stop alien thieves known as Chop Shoppers, Jay's accidental use of the Neuralizer erases Kay's memories and makes him think he is sixteen.

1x7 - The Symbiote Syndrome

November 22, 1997

When Kay is infected with Millicrons, Jay takes his place on an assignment to transport a symbiote named Troy to New York City. He has to do it within twenty hours or be permanently absorbed by Troy. But Buzzard returns and is looking to capture the symbiote for his mysterious boss.

1x8 - The Inanimate Syndrome

December 6, 1997

An Inanimate, a shapeshifter capable of disgusing itself as inanimate objects, escapes from prison to Earth. But the MIB get some help from Eileen, an intergalactic cop that stirs up some old feelings for Kay.

1x9 - The Psychic Link Syndrome

December 13, 1997

An insane Alcidian named Forbus is hunting humans, draining them of their bodily fluids. But during the pursuit, Forbus forms a psychic link with Kay, making him feel whatever he feels.

1x10 - The Head Trip Syndrome

December 20, 1997

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.

1x11 - The Elle of My Dreams Syndrome

January 10, 1998

Alien dream eaters known as the Vermax attack the crew of a returning NASA space shuttle. When Jay, Kay and Elle arrive at the landing sight, a Vermax attaches itself to Jay and sends him into a deep sleep. Elle enters Jay's dreams to get him to wake up and remove the Vermax.

1x12 - The I Married an Alien Syndrome

February 14, 1998

The Blastula are increasing the temperature on Earth in their plot to colonize the planet.

1x13 - The Take No Prisoners Syndrome

May 16, 1998

Dr. Lupo and other inmates of MIB's prison ward manage to break out and incapacitate most of MIB. Only Jay and the worms can save the day.

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)