Northern Exposure - Season 1 Episode 8 : Aurora Borealis: A Fairy Tale for Big People 1995

The approach of the Aurora Borealis and the constant light produces some strange behavior among the residents of Cicely. Chris abandons the radio station to build an unusual piece of modern sculpture and to get acquainted with a new soul mate that has come into town on some predestined mission. Joel journeys into the back woods to visit an isolated forest ranger and, when he gets stuck coming home, remembers the stories of a strange Bigfoot-like creature named Adam rumored to be roaming the area. Joel is rescued by Adam, who turns out to be real and a damn good cook, only when he returns to town no one believes him.