The Real Ghostbusters - Season 2 - Eps 8: Rollerghoster
Egon and Janine stumble across a carnival with a roller coaster called the Ecto-1. Egon is less than pleased with the trademark infringement, but when the ride is taken over by actual ghosts, the ride's owner capitalizes on the event for publicity.
About The Real Ghostbusters

Title: The Real Ghostbusters
First Air Date: 1986-09-13
Last Air Date: 1991-10-05
Status: Ended
Rating: 7.7/10 (from 269 votes)
Language: EN
Seasons: 8
Total Episodes: 140
Network: ABC
Genres: Action & Adventure, Animation, Comedy, Kids
Production Companies: DiC Entertainment, Columbia Pictures Television
Synopsis
The continuing adventures of paranormal investigators Dr. Peter Venkman, Dr. Egon Spengler, Dr. Ray Stantz, Winston Zeddemore, their secretary Janine Melnitz and their mascot ghost Slimer.
Cast

Maurice LaMarche
Egon Spengler (voice)

Dave Coulier
Peter Venkman (voice)

Frank Welker
Ray Stantz / Slimer (voice)

Kath Soucie
Janine Melnitz (voice)

Buster Jones
Winston Zeddemore (voice)

Rodger Bumpass
Louis Tully (voice)