| Watch Castle Series Full Episodes |
| 11 May 2009 - Season 1, Episode 10: A Death in the Family |
| 04 May 2009 - Season 1, Episode 9: Little Girl Lost |
| 27 April 2009 - Season 1, Episode 8: Ghosts |
| 20 April 2009 - Season 1, Episode 7: Home Is Where the Heart Stops |
| 06 April 2009 - Season 1, Episode 5: A Chill Goes Through Her Veins |
| 30 March 2009 - Season 1, Episode 4: Hell Hath No Fury |
| 23 March 2009 - Season 1, Episode 3: Hedge Fund Homeboys |
| 09 March 2009 - Season 1, Episode 1: Flowers for Your Grave |
| 21 September 2009 - Season 2, Episode 1: Deep in Death |
| 28 September 2009 - Season 2, Episode 2: The Double Down |
| 12 October 2009 - Season 2, Episode 4: Fool Me Once... |
| 26 October 2009 - Season 2, Episode 6: Vampire Weekend |
| 02 November 2009 - Season 2, Episode 7: Famous Last Words |
| 09 November 2009 - Season 2, Episode 8: Kill the Messenger |
| 19 October 2009 - Season 2, Episode 5: When the Bough Breaks |
| 05 October 2009 - Season 2, Episode 3: Inventing the Girl |
| 16 November 2009 - Season 2, Episode 9: Love Me Dead |
| 16 March 2009 - Season 1, Episode 2: Nanny McDead |
| 13 April 2009 - Season 1, Episode 6: Always Buy Retail |
| 23 November 2009 - Season 2, Episode 10: One Man's Treasure |
| 07 December 2009 - Season 2, Episode 11: The Fifth Bullet |
| 11 January 2010 - Season 2, Episode 12: A Rose for Everafter |
| 18 January 2010 - Season 2, Episode 13: Sucker Punch |
| 25 January 2010 - Season 2, Episode 14: The Third Man |
| 08 February 2010 - Season 2, Episode 15: Suicide Squeeze |
| 22 March 2010 - Season 2, Episode 17: Tick, Tick, Tick... (1) |
| 08 March 2010 - Season 2, Episode 16: The Mistress Always Spanks Twice |
| 29 March 2010 - Season 2, Episode 18: Boom! (2) |
| 12 April 2010 - Season 2, Episode 20: The Late Shaft |
| 05 April 2010 - Season 2, Episode 19: Wrapped Up in Death |
| 19 April 2010 - Season 2, Episode 21: Den of Thieves |
| 03 May 2010 - Season 2, Episode 22: Food to Die For |
| 10 May 2010 - Season 2, Episode 23: Overkill |
| 17 May 2010 - Season 2, Episode 24: A Deadly Game |
| 20 September 2010 - Season 3, Episode 1: A Deadly Affair |
| 27 September 2010 - Season 3, Episode 2: He's Dead, She's Dead |
- Season 3, Episode 3: e>504 Gateway Time-out
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| 11 October 2010 - Season 3, Episode 4: Punked |
| 18 October 2010 - Season 3, Episode 5: Anatomy of a Murder |
| 25 October 2010 - Season 3, Episode 6: 3XK |
| 08 November 2010 - Season 3, Episode 8: Murder Most Fowl |
| 01 November 2010 - Season 3, Episode 7: Almost Famous |
| 15 November 2010 - Season 3, Episode 9: Close Encounters of the Murderous Kind |
| 03 January 2011 - Season 3, Episode 11: Nikki Heat |
| 06 December 2010 - Season 3, Episode 10: Last Call |
| 10 January 2011 - Season 3, Episode 12: Poof! You're Dead |
| 24 January 2011 - Season 3, Episode 13: Knockdown |
| 28 February 2011 - Season 3, Episode 17: Countdown (2) |
| 21 March 2011 - Season 3, Episode 18: One Life to Lose |
| 28 March 2011 - Season 3, Episode 19: Law & Murder |
| 07 February 2011 - Season 3, Episode 14: Lucky Stiff |
| 14 February 2011 - Season 3, Episode 15: The Final Nail |
| 21 February 2011 - Season 3, Episode 16: Setup (1) |
| 11 April 2011 - Season 3, Episode 21: The Dead Pool |
| 04 April 2011 - Season 3, Episode 20: Slice of Death |
| 02 May 2011 - Season 3, Episode 22: To Love and Die in L.A. |
| 09 May 2011 - Season 3, Episode 23: Pretty Dead |
| 16 May 2011 - Season 3, Episode 24: Knockout |
| 19 September 2011 - Season 4, Episode 1: Rise |
| 26 September 2011 - Season 4, Episode 2: Heroes and Villains |
| 03 October 2011 - Season 4, Episode 3: Head Case |
| 10 October 2011 - Season 4, Episode 4: Kick the Ballistics |
| 17 October 2011 - Season 4, Episode 5: Eye of the Beholder |
| 24 October 2011 - Season 4, Episode 6: Demons |
| 31 October 2011 - Season 4, Episode 7: Cops & Robbers |
| 07 November 2011 - Season 4, Episode 8: Heartbreak Hotel |
| 21 November 2011 - Season 4, Episode 9: Kill Shot |
| 05 December 2011 - Season 4, Episode 10: Cuffed |
| 09 January 2012 - Season 4, Episode 11: Till Death Do Us Part |
| 16 January 2012 - Season 4, Episode 12: Dial M for Mayor |
| 23 January 2012 - Season 4, Episode 13: An Embarrassment of Bitches |
| 06 February 2012 - Season 4, Episode 14: The Blue Butterfly |
| 13 February 2012 - Season 4, Episode 15: Pandora (1) |
| 27 February 2012 - Season 4, Episode 17: Once Upon a Crime |
| 19 March 2012 - Season 4, Episode 18: A Dance with Death |
| 26 March 2012 - Season 4, Episode 19: 47 Seconds |
| 02 April 2012 - Season 4, Episode 20: The Limey |
| 16 April 2012 - Season 4, Episode 21: Headhunters |
| 30 April 2012 - Season 4, Episode 22: Undead Again |
| 07 May 2012 - Season 4, Episode 23: Always |
| - Season 5, Episode 0: |
| 24 September 2012 - Season 5, Episode 1: After the Storm |
| 01 October 2012 - Season 5, Episode 2: Cloudy With a Chance of Murder |
| 08 October 2012 - Season 5, Episode 3: Secret's Safe with Me |
| 15 October 2012 - Season 5, Episode 4: Murder, He Wrote |
| 29 October 2012 - Season 5, Episode 5: Probable Cause |
| 05 November 2012 - Season 5, Episode 6: The Final Frontier |
| 12 November 2012 - Season 5, Episode 7: Swan Song |
| 19 November 2012 - Season 5, Episode 8: After Hours |
| 03 December 2012 - Season 5, Episode 9: Secret Santa |
| 23 September 2013 - Season 6, Episode 1: Valkyrie (1) |
| 30 September 2013 - Season 6, Episode 2: Dreamworld (2) |
| 07 January 2013 - Season 5, Episode 10: Significant Others |
| 14 January 2013 - Season 5, Episode 11: Under the Influence |
| 21 January 2013 - Season 5, Episode 12: Death Gone Crazy |
| 04 February 2013 - Season 5, Episode 13: Recoil |
| 11 February 2013 - Season 5, Episode 14: Reality Star Struck |
| 18 February 2013 - Season 5, Episode 15: Target (1) |
| 25 February 2013 - Season 5, Episode 16: Hunt (2) |
| 18 March 2013 - Season 5, Episode 17: Scared to Death |
| 25 March 2013 - Season 5, Episode 18: The Wild Rover |
| 01 April 2013 - Season 5, Episode 19: The Lives of Others |
| 15 April 2013 - Season 5, Episode 20: The Fast and the Furriest |
| 22 April 2013 - Season 5, Episode 21: The Squab and the Quail |
| 29 April 2013 - Season 5, Episode 22: Still |
| 06 May 2013 - Season 5, Episode 23: The Human Factor |
| 13 May 2013 - Season 5, Episode 24: Watershed |
| 20 February 2012 - Season 4, Episode 16: Linchpin (2) |
| 07 October 2013 - Season 6, Episode 3: Need to Know |
| 14 October 2013 - Season 6, Episode 4: Number One Fan |
| 21 October 2013 - Season 6, Episode 5: Time Will Tell |
| 28 October 2013 - Season 6, Episode 6: Get a Clue |
| 04 November 2013 - Season 6, Episode 7: Like Father, Like Daughter |
| 11 November 2013 - Season 6, Episode 8: A Murder Is Forever |
| 18 November 2013 - Season 6, Episode 9: Disciple |
| 25 November 2013 - Season 6, Episode 10: The Good, The Bad & The Baby |
| 06 January 2014 - Season 6, Episode 11: Under Fire |
| 09 February 2015 - Season 7, Episode 14: Resurrection (1) |
| 16 February 2015 - Season 7, Episode 15: Reckoning (2) |
| 23 February 2015 - Season 7, Episode 16: The Wrong Stuff |
| 29 September 2014 - Season 7, Episode 1: Driven |
| 06 October 2014 - Season 7, Episode 2: Montreal |
| 13 October 2014 - Season 7, Episode 3: Clear & Present Danger |
| 20 October 2014 - Season 7, Episode 4: Child's Play |
| 27 October 2014 - Season 7, Episode 5: Meme Is Murder |
| 10 November 2014 - Season 7, Episode 6: The Time of Our Lives |
| 17 November 2014 - Season 7, Episode 7: Once Upon a Time in the West |
| 24 November 2014 - Season 7, Episode 8: Kill Switch |
| 01 December 2014 - Season 7, Episode 9: Last Action Hero |
| 08 December 2014 - Season 7, Episode 10: Bad Santa |
| 12 January 2015 - Season 7, Episode 11: Castle, P.I. |
| 19 January 2015 - Season 7, Episode 12: Private Eye Caramba! |
| 02 February 2015 - Season 7, Episode 13: I, Witness |
| 16 March 2015 - Season 7, Episode 17: Hong Kong Hustle |
| 23 March 2015 - Season 7, Episode 18: At Close Range |
| 30 March 2015 - Season 7, Episode 19: Habeas Corpse |
| 13 January 2014 - Season 6, Episode 12: Deep Cover |
| 20 January 2014 - Season 6, Episode 13: Limelight |
| 03 February 2014 - Season 6, Episode 14: Dressed to Kill |
| 17 February 2014 - Season 6, Episode 15: Smells Like Teen Spirit |
| 24 February 2014 - Season 6, Episode 16: Room 147 |
| 03 March 2014 - Season 6, Episode 17: In the Belly of the Beast |
| 17 March 2014 - Season 6, Episode 18: The Way of the Ninja |
| 24 March 2014 - Season 6, Episode 19: The Greater Good |
| 21 April 2014 - Season 6, Episode 20: That '70s Show |
| 28 April 2014 - Season 6, Episode 21: Law & Boarder |
| 05 May 2014 - Season 6, Episode 22: Veritas |
| 12 May 2014 - Season 6, Episode 23: For Better or Worse |
| 20 April 2015 - Season 7, Episode 20: Sleeper |
| 27 April 2015 - Season 7, Episode 21: In Plane Sight |
| 04 May 2015 - Season 7, Episode 22: Dead From New York |
| 11 May 2015 - Season 7, Episode 23: Hollander's Woods |
| 21 September 2015 - Season 8, Episode 1: XY (1) |
| 28 September 2015 - Season 8, Episode 2: XX (2) |
| 05 October 2015 - Season 8, Episode 3: PhDead |
| 12 October 2015 - Season 8, Episode 4: What Lies Beneath |
| 19 October 2015 - Season 8, Episode 5: The Nose |
| 09 November 2015 - Season 8, Episode 6: Cool Boys |
| 16 November 2015 - Season 8, Episode 7: The Last Seduction |
| 23 November 2015 - Season 8, Episode 8: Mr. & Mrs. Castle |
| 08 February 2016 - Season 8, Episode 9: Tone Death |
| 14 February 2016 - Season 8, Episode 10: Witness for the Prosecution |
| 15 February 2016 - Season 8, Episode 11: Dead Red |
| 22 February 2016 - Season 8, Episode 12: The Blame Game |
| 29 February 2016 - Season 8, Episode 13: And Justice for All |
| 07 March 2016 - Season 8, Episode 14: The G.D.S. |
| 21 March 2016 - Season 8, Episode 15: Fidelis Ad Mortem |
| 04 April 2016 - Season 8, Episode 16: Heartbreaker |
| 11 April 2016 - Season 8, Episode 17: Death Wish |
| 18 April 2016 - Season 8, Episode 18: Backstabber |
| 25 April 2016 - Season 8, Episode 19: Dead Again |
| 02 May 2016 - Season 8, Episode 20: Much Ado About Murder |
| 09 May 2016 - Season 8, Episode 21: Hell to Pay |
| 16 May 2016 - Season 8, Episode 22: Crossfire |
| - Season 9, Episode 1: Season 9 Episode 1 |
