Attending an opera, Egon and a disinterested Peter are shocked when ghostly Valkyries actually appear and create havoc. The Ghostbusters are soon facing the music... and the Valkyries!
Genres: Action & Adventure , Animation , Comedy , Kids , Sci-Fi & Fantasy
Keywords: based-on-movie , ghost , ghostbuster , new-york-city , paranormal , paranormal-investigation , sci-fi , slime , slimer , spooky-comedy , science-fiction , ghost-hunting , monsters