With Peter obsessively stalking Capt. Windmark and manipulating his future, Olivia sets out alone to fetch the next needed item to defeat the Observers - a scrapyard-strength electromagnet. As Walter and Astrid study the behavior of another Observer brain implant to determine what's happening to Peter, Peter learns a lesson from Windmark himself. Written by
Did You Know?
Walter mis-remembers Astrid's name yet again; here he calls her "Asner". See more
Fringe Main Title Theme
Written and Performed by J.J. Abrams See more