Fringe: Northwest Passage

"Northwest Passage" is the 21st episode of the second season of the American science fiction drama television series Fringe, and the 41st episode overall. The episode follows Peter (Joshua Jackson) as he continues to stay away from Boston after learning his true parallel universe origins; his travels take him to a small town, where he helps the local police investigate mysterious disappearances. The episode was written by Ashley Edward Miller, Zack Stentz, Nora Zuckerman, and Lilla Zuckerman. Joe Chappelle served as the episode director. It featured a guest appearance by actress Martha Plimpton. Pearl Jam musician Mike McCready helped write the music for the episode. "Northwest Passage" first aired in the United States on May 6, 2010 to an estimated 5.82 million viewers. It received generally positive reviews, as many critics praised the writers' decision to focus on Peter in a new location. Others noted references to the television series Twin Peaks.