Fringe 5×9
In attempt to recall a plan to defeat the Observers, Walter takes an LSD trip down memory lane. Meanwhile, Peter and Olivia trace a mysterious signal to the woods, where they come upon a grisly scene.
Serie: Fringe
Director: Tommy Gormley
Guest Star: Anna Torv, Blair Brown, Jasika Nicole, John Noble, Joshua Jackson, Lance Reddick, Michael Cerveris, Seth Gabel