Poltergeist: The Legacy (1996)
S01E20 The Signalman
Episode Overview
Dr. David Praeger, a physicist and skeptic of the supernatural, is stationed at a dilapidated railway station and tunnel in Powderwash, Colorado, working for the army. They aim to establish a nerve weapon disposal site in the vicinity, and he’s tasked with uncovering the source of the area's magnetic fluctuations. During his investigation, he begins to encounter the apparition of a signalman urging him to "pull the switch." Meanwhile, Alex, having dreamed that David is in peril, leads the Legacy to rescue him, despite their reservations about his line of work.