The second season of the American science fiction television series Fringe commenced airing on the Fox network on September 17, 2009, and concluded on May 20, 2010. The season was produced by Bad Robot in association with Warner Bros. Television, and its showrunners were Jeff Pinkner and J. H. Wyman. Actors Anna Torv, John Noble, and Joshua Jackson reprised their roles as FBI agent Olivia Dunham and father-son duo Walter and Peter Bishop, respectively. Previous series regulars Lance Reddick, Jasika Nicole, Blair Brown, and Kirk Acevedo also returned, though with Acevedo in a limited capacity.

"Johari Window" is the 11th episode of the second season of the American science fiction drama television series Fringe. It was released three days after the bonus special episode, "Unearthed". The episode, written by co-executive producer Josh Singer and directed by filmmaker Joe Chappelle, is set in a fictional upstate New York town and begins with the discovery of a seemingly deformed child by a state trooper. The Fringe investigative team of Olivia Dunham, Walter Bishop, and Peter Bishop arrives on the scene, only to discover a secret government experiment gone awry, with signs from Walter's past.