Jay poses as a high school student to protect an alien prince from alien terrorists.

Jay and Kay have to rescue the worms from an alien world similar to Ancient Rome.

Jay and Kay are moving fast to stop the take over of Earth by the Tunstons, whose king is hiding out in Frank the Pug's body.

The Tomassitron Matter Amplifier grants Jay, Kay and Elle super powers as well as three alien criminals, leading to a super showdown.

Frank the Pug meets an alien named Veronica and falls in love. But what he doesn't know is that Veronica works for Javkor, who is out to steal MIB's most powerful weapons.

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.

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

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.

The Fmeks are stealing human suits from their enemies, the Arquillians. Jay gets shrunk down to their tiny size to find out what the Fmeks are up to.

The Queen Bug puts out a bounty on the MIB agent that took out dearly departed Edgar. Now Elle is running from some nasty bugs looking to collect the reward.

Preparing to conquer Earth, the Fmeks break into MIB to get their tiny hands on a growth forumla. They mistake one of the worms to be able to make the formula and capture him.

It's up to MIB to save Christmas when Drekk kidnaps Santa Claus.

Jay and Kay head to Hollywood to investigate the disappearances of alien actors.

Alpha and Dak, Jeeb's brother, take over MIB's Blackguard satellite. Jay and Kay blast into space to stop them before they destroy MIB with it.

Thirty years ago, an Ixion named Vangus came to Earth and was stopped by an MIB agent. Now when Vangus returns, MIB seeks answers from the agent that stopped him: Alpha.

After eating some alien food, Jay gains the ability to throw fire. But this new power will have serious consequences if he keeps using it.

An alien tv crew comes to Earth to film MIB agents on the job just as Drekk returns to cause trouble.

A super hero caling himself Cosmosis emerges to defend the city from evil, but he's really an alien looking to put his powers to good use. However, MIB feels his new profession could attract trouble for Earth, so they try to lure him out using Jay as bait.

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.

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

Parasites spread by alien seeds take over MIB and threaten the world. As the remaining agents try to stop it, Jay can't keep his mouth shut since he's accidentally been given a truth serum.

Merged together, Alpha and Dak find themselves in Antartica where a powerful alien spaceship lies buried.

When MIB fails to stop a Metaphite that threatens Phoenix, Jay and Kay have to travel back in time to the wild west to find the Metaphite's then vulnerable cocoon.

The Stellairian leader comes to Earth for peace talks and Jay and Kay have to watch over his daughter, Kima. When she is kidnapped by Frostifarians, her age regressing hypo-spray breaks loose. Now as Kima grows older, Kay begins turning into a baby.

Jay gets a low score on MIB's new virtual reality training test and the embarassment eventually forces him to try again. But this time the game goes haywire and the dangers Jay faces become deadly.