When the mysterious Doctor McCatheter gives Louis Tully free samples of supernaturally tainted health chips, the Ghostbusters snack their way into a debilitating allergy to ghosts and ghost-fighting equipment!
Egon accidentally gets caught in the Proton Beams along with a ghost, causing them to exchange aging processes. Egon begins regressing at an alarming rate and the Ghostbusters must reverse the process before he dissappears into nothingness!
The fictional spirits of Sherlock Holmes, his trusted aide Watson, and the nefarious Moriarty materialize in Manhattan. Moriarty begins absorbing evil from various modern-day sources, determined to transform into a real, corporeal villain! Winston soon learns that the game's afoot!
The Ghostbusters are called to a small, New England village to exorcise a recently escaped ancient witch, Kestrel. Her intent is to exact revenge on various town descendants, including the Spengler family. Undercover in the local all-girls school, Egon is taken possession of by Kestrel!
An overstuffed ghost named Poso wishes to become the ghostfather of all ghosts. He kidnaps Janine and Louis and as ransom for their release, he demands that the Ghostbusters turn over their headquarters and their ghostbusting equipment.
After a successful bust the Ghostbusters are given a television set as thanks, but due to a piece of spectral matter that has become lodged within it, the television reveals alarming visions of the future… including the death of the Ghostbusters!
Due to their egos, the Ghostbusters are tricked into attending separate functions where they are each captured and swept away into the Ghostworld. There, they are subjected to a bizarre trial for their crimes against ghostkind.
Much to his comrades' displeasure Peter sells the Ghostbusters' television rights and telecasts the new show live from Al Capone's tomb in order to stage the fake appearance of his ghost ad midnight. Unfortunately, the real Al Capone shows up, and he's angry.
The Chairman of Citizens United Against Halloween, a man named Crowley, wishes to hire the Ghostbusters to assist him in his crusade. When they refuse, Crowley mistakenly opens up the Halloween Door and breaks the underworld's ancient contract of imprisonment! The Ghostbusters must now battle Boogaloo and save the world!
Peter becomes supercharged with extraordinary powers of strength and flight, but his new super powers are not without a price.
A bullying ghost resembling Slimer escapes from the Ghostworld through an antique mirror, then traps Slimer and Louis in Ghostworld.
Peter, Winston and Slimer head for Mount Rushmore on a much-anticipated vacation. However, a ghost family on their centennial holiday want the place all to themselves!
An ethereal baby dragon draws the Ghostbusters into a real fairy tale, complete with an evil wizard and a climactic duel pitting ancient wizardry against ghostbusting technology!
A witch's lost black cat is found y Slimer and use its powers to grant all of Slimer's fondest wishes, resulting in chaos at the firehouse.
Slimer wins a million dollars in cash on the lottery, but everything Slimer buys with his prize money is cursed!
With Janine on vacation, a beautiful temporary secretary, Dixie, is hired as a substitute. Dixie, secretly a ghost, is short on office skills, but her beauty has the Ghostbusters falling over themselves to impress her.
The firehouse, by the Mayor's mandate, must be torn down to make way for an urban renewal project. In the midst of their packing, Peter inadvertently short-circuits a Ghost Trap and catapults them all back to the year 1959!
Three ghosts enter the firehouse intent on releasing their ghostly leader, Spiderlegs, from the Containment Unit. They kidnap Slimer, taking him into their hideout to barter with the Ghostbusters.
A very angry Ghostmaster returns to capture the Ghostbusters. The guys find themselves surrounded by a force field wherever they go, a force field that shuts of all energy, including Proton Packs!
Slimer accidentally breaks one of the Ghost Traps, and rather than confess his mistake, allows the Ghostbusters to take the trap on a job… with scary results!
A powerful, high-stakes gambling spirit enjoys toying with the Ghostbusters, trapping them in a steam locomotive at the original New York Penn Station.