The Real Ghostbusters - Season 2 - Eps 24: Victor the Happy Ghost
The Ghostbusters trap a small and harmless-looking ghost at a museum, but feel guilty. Back in the firehouse he is accidentally released and they decide not to place him in the Containment Unit. But to adopt him as a pet. But Slimer soon discovers a darker side to the new tenant.
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)