Now that Castle and Beckett have finally given in to their true feelings for each other, how will it affect their work together? As they try to keep their new relationship under wraps from their co-workers, the unlikely duo must track down the murderer of Beckett’s mother, find the perpetrator of a major conspiracy and untangle a line of investigation that links Castle to a ritualistic killing.
5 - 1After the Storm Sep. 24, 2012
5 - 2Cloudy with a Chance of Murder Oct. 01, 2012
5 - 3Secret's Safe With Me Oct. 08, 2012
5 - 4Murder, He Wrote Oct. 15, 2012
5 - 5Probable Cause Oct. 29, 2012
5 - 6The Final Frontier Nov. 05, 2012
5 - 7Swan Song Nov. 12, 2012
5 - 8After Hours Nov. 19, 2012
5 - 9Secret Santa Dec. 03, 2012
5 - 10Significant Others Jan. 07, 2013
5 - 11Under the Influence Jan. 14, 2013
5 - 12Death Gone Crazy Jan. 21, 2013
5 - 13Recoil Feb. 04, 2013
5 - 14Reality Star Struck Feb. 11, 2013
5 - 15Target (1) Feb. 18, 2013
5 - 16Hunt (2) Feb. 25, 2013
5 - 17Scared to Death Mar. 18, 2013
5 - 18The Wild Rover Mar. 25, 2013
5 - 19The Lives of Others Apr. 01, 2013
5 - 20The Fast and the Furriest Apr. 15, 2013
5 - 21The Squab and the Quail Apr. 22, 2013
5 - 22Still Apr. 29, 2013
5 - 23The Human Factor May. 06, 2013
5 - 24Watershed May. 13, 2013