The fourth season of the American science fiction television series Fringe premiered on Fox on September 23, 2011 and concluded on May 11, 2012, consisting of 22 episodes. The series is produced by Bad Robot Productions in association with Warner Bros. Television. The show was officially renewed for a fourth season on March 24, 2011.
4 - 1Neither Here Nor There Sep. 23, 2011- 4 - 2One Night in October Sep. 30, 2011
- 4 - 3Alone in the World Oct. 07, 2011
- 4 - 4Subject 9 Oct. 14, 2011
- 4 - 5Novation Nov. 04, 2011
- 4 - 6And Those We've Left Behind Nov. 11, 2011
- 4 - 7Wallflower Nov. 18, 2011
- 4 - 8Back to Where You've Never Been Jan. 13, 2012
- 4 - 9Enemy of My Enemy Jan. 20, 2012
