The Ghostbusters receive a call from Prince Otis of Petronia who asks them to protect the Royal Crown of Petronia situated in England's Tower of London. Prime Evil wishes to obtain the crown so that he can take advantage of the Royal Law which dictates that he must be declared King of Petronia!

As Jake and Futura attempt to rescue Tracy. Eddie gets lost and is worshipped by the Egyptians as the ghost of the Great Pharoah. The Ghostbusters must race to get their act together in an effort to locate the next piece of the Stone Tablet.

A newly opened ghostly-themed amusement park prompts Prime Evil to send Apparitia and Bratarat to haunt it. When the Ghostbusters realize that the ghosts are loose in the park they fight back, but they must first find Jessica's mischievous nephew Corky.

When a young boy named Copernicus Randall sees Fangster in the moon through his new telescope. The Ghostbusters must find out why Prime Evil is trying to prevent the young boy from looking into the stars. They discover the truth in the future.

When Prime Evil's cousin, Count Grumpette creates a double of Tracy using some of the ape's hairs he sends the clone to create havoc. The Ghostbusters are shocked when Tracy is imprisoned and vow to prove their friend's innocence.

Corky's friend Gene, a young computer genius, is kidnapped by Prime Evil. The villain plans to use the boy to help take over the computers that control nuclear missiles and rule the world. Prime Evil's cousin the King of Terror uses his ghostly powers to scare Corky into not telling anyone about the incident.

After a howling contest takes place at Hauntquarters Prime Evil summons the Wailing Banshee whose voice can cause thunderstorms. The Ghostbusters must go back in time and find a leprechaun to help them defeat the Banshee.

When the other-dimensional Invertroids begin capturing people through mirrors the Ghostbusters join forces with Jessica's uncle John Guardian in order to defeat them. But for the Ghostbusters to prevail a great sacrifice has to be made.

The Ghostbusters travel to Norway to guard peace prize winner Dr. Alex Miller and Jessica from Prime Evil's latest ghostly plan. The gang not only has to protect Dr. Miller from Apparitia and Scared Stiff, but also stop the runaway train they find themselves on.

The Ghostbusters take part in a round the world race in an effort to raise money for a charity. Unfortunately the late entrant turns at to be Hot Rod, driving Prime Evil's Beastly Buggy. The Ghostbusters have to cope with many obstacles that Prime Evil throws at them to win the race.

In an effort to increase his power Prime Evil sends Haunter and Scared Stiff to kidnap Merlin, only to have them return with Fuddy instead! The Ghostbusters learn of Fuddy's capture and race to his rescue as he is subjected to the jokes of a giant rat with no sense of humor!

Jake's grandfather is due to be sworn in as a citizen of the United States of America, but during the ceremony everyone is shocked to discover that Prime Evil has stolen the Statue of Liberty. The Ghostbusters must rush to save the day.

Big Evil returns to Hauntquarters and curses Prime Evil with the Arcane Curse, a spell that can only be broken by performing a geniune heartfelt good deed. A battle between Prime Evil and Big Evil takes place at Ghost Command with no winner in sight for the Ghostbusters.

In an attempt to impress Bratarina, Bratarat capitalizes on Prime Evil's vacation claming that he owns Hauntquarters. The Ghostbusters race to England to stop Bratarat, but not before the villain has already overthrown Buckingham Palace.

Tracy is captured by Prime Evil and placed in a machine which will replace all of his good memories with memories in which Prime Evil always wins and he always fails. That Ghostbusters work against time to bring the big ape back to normal.

The Batz; Beauregard, Rafter and Eaves, are horrified when their close friend Madam Why is kidnapped by the evil Wormwood. The villain plans to drain all of Madam Why's powers and add them to his own. The Ghostbusters must team-up with the Batz and overcome the many obstacles Wormwood throws in their direction.

In Camelot the Ghostbusters team-up with Merlin's apprentice Fuddy in order to battle Sir Trance-A-Lot and recover the next piece of the Stone Tablet. Then they must travel back in time to ancient Egypt where Apparitia and Airhead capture Tracy intent on mummifying him.

Prime Evil's rival, Big Evil arrives at Hauntquarters and using his Specter Scepter overpowers and imprisons the villain. In order to save the Earth the Ghostbusters find themselves working alongside Prime Evil.

Prime Evil creates a dragon to melt the polar ice caps and flood the Earth. When the Ghostbusters discover their Ghost Command underwater they race to the North Pole where they find that fighting a fire-breathing dragon is not an easy bust.

The Ghostbusters travel to the future to help Futura save her nephew, Laser and his friends Rae and Tempo who have been captured by Corpulon, a large slug-like energy ghost who seeks vengeance against Futura.

Prime Evil steals the futuristic Megalaser device and hides it in the center of the earth prompting the Ghostbusters to retrieve it. However, when they arrive they discover that Prime Evil's Golem warriors have overthrown the peaceful inhabitants who dwell in the depths below.

Jessica, Futura and the Ghostbusters travel to China to discover why the Sleeping Dragon has awoken and is turning people into stone. When they arrive Jake and Eddie are turned to stone, and will only be freed along with all the other people if Jessica, Futura and Tracy agree to compete against the Dragon's warriors.

The Ghostbusters travel to a Moon Colony in the future to help install an anti-ghost security device. Whilst there they meet Keyta, a little girl with a penchant for false alarms. However when Keyta sees two vampires disguising themselves as humans can she get anyone to believe her?

The original Ghostbusters decide to retire and turn their ghostbusting business over to their sons. When their fathers are kidnapped by Prime Evil's ghosts, Jake and Eddie must overcome their fears and go ghostbusting sooner than they expected by journeying to the future.

In Fairy Land Prince Delwin and Princess Gwendolyn are about to be married when the evil ghost Gimghoul appears and conjures the Prince away! Unknown to all he has been transformed into a Troll and it is up to the Ghostbusters to aid the former Prince and reclaim the Kingdom.