"Power Hungry" is the fifth episode of the first season of the American science fiction drama television series Fringe. The episode was written by playwright Julia Cho and consulting producer Jason Cahill, and was directed by Christopher Misiano. The episode focuses on Fringe Division's efforts in finding a man with the uncontrolled ability to affect electrical energy, thanks to the work of a wanted rogue scientist. Meanwhile, Olivia Dunham (Anna Torv) sees visions of her deceased lover, John Scott (Mark Valley).