Extreme Ghostbusters (1997)

S1E36 Heart of Darkness

Title: Shadows of the Past Plot: Egon discovers that a former associate is the mastermind behind a series of supernatural offenses. As he investigates the chilling incidents, he must confront not only the malevolent forces at play but also the dark history that binds them. With time running out, Egon grapples with his past relationships while trying to stop the chaos unleashed by his old friend's sinister agenda. As the lines between ally and enemy blur, he must summon all his courage to uncover the truth and put an end to the haunting threat.