Episode Title:Back in the Saddle, Part 1 / Back in the Saddle, Part 2.Episode Description:Back in the Saddle, Part 1: Janine arranges a unique birthday present for Egon's 40th birthday: a reunion with Peter Venkman, Ray Stantz and Winston Zeddemore (The Real Ghostbusters). However, the surprise is spoiled by a growing friction between the old and new Ghostbusters. (Note: Part 1 of the series finale. Venkman says he tried to pitch another Ghostbusters film to Hollywood; a Ghostbusters film was the focus on an early episode of The Real Ghostbusters.)
Back in the Saddle, Part 2: The Extreme Ghostbusters and The Real Ghostbusters must put aside their differences when a mysterious entity begins devouring people, boats, and even whole towns down the length of the Eastern American Seaboard. The problem only grows worse when the Ghostbusters discover it is heading for Manhattan and that it has come from the Bermuda Triangle. (Note: The conclusion to the two part series finale.)