Joe Chappelle (director), Akiva Goldsman (writer), J. H. Wyman (writer), Jeff Pinkner (writer) (2012-04-20). " Letters of Transit ". Fringe . episode 19. season 4. Fox .   ^ Truitt, Brian (2012-07-15). "'Fringe' stars, fans feel the love going into final season" . USA Today . http://content.usatoday.com/communities/livefrom/post/2012/07/fringe-stars-fans-feel-the-love-going-into-final-season/1 . Retrieved 2012-07-16 .