S4, EP13 "The Endgame Syndrome"
Jay and Kay fight to keep Vengiss from blowing up the planet.
S4, EP12 "The Endgame Syndrome"
The president learns of the existence of MiB.
S4, EP11 "The Zero to Superhero Syndrome"
A meek alien turns himself into a superhero to help mankind.
S4, EP10 "The Breaking News Syndrome"
An alien TV crew comes to Earth to film MIB agents on the job.
S4, EP9 "The Virtual Crossfire Syndrome"
Jay sneaks back into the Virtual Battlefield Environment to try to improve his score.
S4, EP8 "The Circus Parade Syndrome"
Jay heads to the circus to guard an alien.
S4, EP7 "The Hots for Jay Syndrome"
Jay develops unusual powers after inadvertently eating alien hot sauce at an MiB reception.
S4, EP6 "The Loose Ball Foul Syndrome"
Jay turns to stone during Kay's struggle with the Fmecks over a small planet.
S4, EP5 "The Future's So Bright Syndrome"
Kay and Jay pursue an alien time-jumper who slimes the Worm Guys.
S4, EP4 "The Opening Gambit Syndrome"
Jay and Kay seek information from a former MIB chief.
S4, EP3 "The Back to School Syndrome"
Jay goes under cover at a high school to protect an alien.
S4, EP2 "The Spectacle Syndrome"
Worms are stolen from the coffee room to entertain a jaded emperor from the planet Empiria.
S4, EP1 "The Musical Chairs Syndrome"
Elle is angry when Zed hires a new field agent instead of promoting her.