The Ghostbusters Movie Timeline Canon is based on events in the movies of Ghostbusters and Ghostbusters II. In this canon, The Real Ghostbusters didn't happen, nor did Extreme Ghostbusters. * Ghostbusters -All information from the movie. Some delete scenes are used as canon too, including the extra scene where Janine is wishing Egon best of luck on fighting Gozer. * The Real Ghostbusters -While it is not entirely canon the name "Slimer" was first used in the cartoon series, also in the recent Ghostbusters: The Video Game, Slimer is sort of their pet as Egon is testing on him and keeping him in a tank on the first floor. The episodes Citizen Ghost and Partners in Slime also hint that The Real Ghostbusters may be canon with the movies after all. "Take Two" explained in a way, the diff