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Episode Ratings

Below is a chart of ratings for each Castle episode. The columns on 18-49 Ratings Share and Total Viewers (in millions) are final numbers, not initial numbers, except for those marked with an asterisk.

Season 1[edit]

Original Air Date Episode Number Title 18-49 Ratings Share Total Viewers
March 9, 2009 1.1 Flowers For Your Grave 3.3 11.8
March 16 2009 1.2 Nanny McDead 3.1 11.5
March 23, 2009 1.3 Hedge Fund Homeboys 2.7 9.8
March 30, 2009 1.4 Hell Hath No Fury 2.6 9.8
April 6, 2009 1.5 A Chill Goes Through Her Veins 2.5 9.6
April 13, 2009 1.6 Always Buy Retail 2.0 7.6
April 20, 2009 1.7 Home is Where the Heart Stops 2.2 8.4
April 27, 2009 1.8 Ghosts 2.2 8.7
May 4, 2009 1.9 Little Girl Lost 2.8 10
May 11, 2009 1.10 A Death in the Family 2.5 10.6


All ratings figures for season 1 are initial numbers, not final.

Season 2[edit]

Original Air Date Episode Number Title 18-49 Ratings Share Total Viewers
September 21, 2009 2.1 Deep in Death 2.3 9.43
September 28, 2009 2.2 The Double Down 2.3 9.56
October 5, 2009 2.3 Inventing The Girl 3.0 11.46
October 12, 2009 2.4 Fool Me Once 2.4 9.99
October 19, 2009 2.5 When The Bough Breaks 2.4 9.88
October 26, 2009 2.6 Vampire Weekend 2.8 11.09
November 2, 2009 2.7 Famous Last Words 2.4 9.68
November 9, 2009 2.8 Kill The Messenger 2.5 10.72
November 16, 2009 2.9 Love Me Dead 2.6 10.86
November 23, 2009 2.10 One Man's Treasure 2.7 10.46
December 7, 2009 2.11 The Fifth Bullet 2.3 8.41
January 11, 2010 2.12 A Rose for Everafter 2.6 9.48
January 18, 2010 2.13 Sucker Punch 2.8 9.44
January 25, 2010 2.14 The Third Man 3.1 10.54
February 8, 2010 2.15 Suicide Squeeze 2.5 9.48
March 8, 2010 2.16 The Mistress Always Spanks Twice 2.4 9.01
March 22, 2010 2.17 Tick, Tick, Tick. – (Part 1) 3.6 12.94
March 29, 2010 2.18 Boom – (Part 2) 3.7 14.47
April 5, 2010 2.19 Wrapped Up In Death 3.0 12.30
April 12, 2010 2.20 The Late Shaft 3.2 13.1
April 19, 2010 2.21 Den of Thieves 2.7 10.47
May 3, 2010 2.22 Food to Die For 2.6 10.77
May 10, 2010 2.23 Overkill 2.6 11.42
May 17, 2010 2.24 A Deadly Game 2.4 10.1

Season 3[edit]

Air Date Episode Number Title 18-49 Ratings Share Total Viewers
September 20, 2010 3.1 A Deadly Affair 2.7 10.7
September 27, 2010 3.2 He’s Dead, She’s Dead 2.8 11.1
October 4, 2010 3.3 Under the Gun 2.6 10.8
October 11, 2010 3.4 Punked 2.7 10.7
October 18, 2010 3.5 Anatomy of a Murder 2.5 10.9
October 25, 2010 3.6 3XK 2.9 11.3
November 1, 2010 3.7 Almost Famous 2.7 11.3
November 8, 2010 3.8 Murder Most Fowl 2.5 10.8
November 15, 2010 3.9 Close Encounters of the Murderous Kind 2.5 9.8
December 6, 2010 3.10 Last Call 1.9 7.6
January 3, 2010 3.11 Nikki Heat 2.4 9.6
January 10, 2011 3.12 Poof, You're Dead 2.1 9.2
January 24, 2011 3.13 Knockdown 2.4 9.1
February 7, 2011 3.14 Lucky Stiff 2.5 9.3
February 14, 2011 3.15 The Final Nail 2.2 8.8
February 21, 2011 3.16 Setup 2.6 9.0
February 28, 2011 3.17 Countdown 2.8 10.1
March 21, 2011 3.18 One Life to Lose 3.1 12.0
March 28, 2011 3.19 Law and Murder 3.2 12.6
April 4, 2011 3.20 Slice of Death 2.8 10.5
April 11, 2011 3.21 The Dead Pool 3.0 12.3
May 2, 2011 3.22 To Love and Die in LA 2.9 12.1
May 9, 2011 3.23 Pretty Dead 3.1 12.6
May 16, 2011 3.24 Knockout 3.3 12.9

Season 4[edit]

Air Date Episode Number Title 18-49 Ratings Share Total Viewers
September 19, 2011 4.1 Rise 3.2 13.3
September 26, 2011 4.2 Heroes and Villains 3.1 11.6
October 3, 2011 4.3 Head Case 2.5 11.2
October 10, 2011 4.4 Kick the Ballistics 2.1 10.2
October 17, 2011 4.5 Eye of the Beholder 2.5 11.2
October 24, 2011 4.6 Demons 2.4 10.8
October 31, 2011 4.7 Cops and Robbers 2.7 12.6
November 7, 2011 4.8 Heartbreak Hotel 2.4 11.1
November 21, 2011 4.9 Killshot 2.3 10.9
December 5, 2011 4.10 Cuffed 2.0 8.1
January 9, 2012 4.11 Til Death Do Us Part 2.3 9.8
January 16, 2012 4.12 Dial M for Mayor 2.2 9.4
January 23, 2012 4.13 An Embarrassment of Bitches 2.1 10.1
February 6, 2012 4.14 The Blue Butterfly 2.0 8.7
February 13, 2012 4.15 Pandora 2.0 8.9
February 20, 2012 4.16 Linchpin 2.1 9.7
February 27, 2012 4.17 Once Upon a Crime 2.1 9.1
March 19, 2012 4.18 A Dance with Death 2.3 11.5
March 26, 2012 4.19 47 Seconds 2.3 11.8
April 2, 2012 4.20 The Limey 2.1 11.7
April 16, 2012 4.21 Headhunters 2.1 11.2
April 30, 2012 4.22 Undead Again 2.3 11.1
May 7, 2012 4.23 Always 2.4 12.4

Season 5[edit]

Air Date Episode Number Title 18-49 Ratings Share Total Viewers
September 24, 2012 5.1 After the Storm 2.1 10.45
October 1, 2012 5.2 Cloudy with a Chance of Murder 1.9 10.35
October 8, 2012 5.3 Secret's Safe With Me 2.2 10.61
October 15, 2012 5.4 Murder, He Wrote 2.0 10.94
October 29, 2012 5.5 Probable Cause 2.2 10.84
November 5, 2012 5.6 The Final Frontier 1.9 10.02
November 12, 2012 5.7 Swan Song 1.9 10.07
November 19, 2012 5.8 After Hours 2.0 10.36
December 3, 2012 5.9 Secret Santa 1.7 8.5
January 7, 2013 5.10 Significant Others 1.9 8.66
January 14, 2013 5.11 Under the Influence 1.9 9.14
January 21, 2013 5.12 Death Gone Crazy 2.0 8.82
February 4, 2013 5.13 Recoil 1.8 8.89
February 11, 2013 5.14 Reality Star Struck 2.0 8.97
February 18, 2013 5.15 Target 2.3 9.85
February 25, 2013 5.16 Hunt 2.3 10.77
March 18, 2013 5.17 Scared to Death 2.2 11.26
March 25, 2013 5.18 The Wild Rover 2.1 10.57
April 1, 2013 5.19 The Lives of Others 2.2 11.79
April 15, 2013 5.20 The Fast and the Furriest 2.0 10.18
April 22, 2013 5.21 The Squab and the Quail 2.3 11.76
April 29, 2013 5.22 Still 2.0 10.53
May 6, 2013 5.23 The Human Factor 2.0 10.84
May 13, 2013 5.24 Watershed 2.1 11.16

Season 6[edit]

Air Date Episode Number Title 18-49 Ratings Share Total Viewers
September 23, 2013 6.1 Valkyrie 2.2 11.46
September 30, 2013 6.2 Dreamworld 2.2 10.88
October 7, 2013 6.3 Need To Know 1.9 10.51
October 14, 2013 6.4 Number One Fan 2.2 11.11
October 21, 2013 6.5 Time Will Tell 2.1 10.7
October 28, 2013 6.6 Get A Clue 2.1 10.69
November 4, 2013 6.7 Like Father, Like Daughter 2.2 10.87
November 11, 2013 6.8 A Murder is Forever 2.0 10.1
November 18, 2013 6.9 Disciple 1.9 10.9
November 25, 2013 6.10 The Good, the Bad, and the Baby 2.1 11.4
January 6, 2014 6.11 Under Fire 1.7 8.9
January 13, 2014 6.12 Deep Cover 1.9 9.03
January 20, 2014 6.13 Limelight 2.0 8.96
February 3, 2014 6.14 Dressed to Kill 2.1 10.02
February 17, 2014 6.15 Smells Like Teen Spirit 1.7 7.75
February 24, 2014 6.16 Room 147 1.7 8.69
March 3, 2014 6.17 In the Belly of the Beast 1.6 8.38
March 17, 2014 6.18 The Way of the Ninja 1.8 9.99
March 24, 2014 6.19 The Greater Good 1.8 9.78
April 21, 2014 6.20 That 70s Show 1.8 9.76
April 28, 2014 6.21 Law and Boarder 2.0 10.39
May 5, 2014 6.22 Veritas 1.6 9.00
May 12, 2014 6.23 For Better or for Worse 2.1 10.59

Season 7[edit]

Air Date Episode Number Title 18-49 Ratings Share Total Viewers
September 29, 2014 7.1 Driven 2.2 10.75
October 6, 2014 7.2 Montreal 2.0 9.90
October 13, 2014 7.3 Clear and Present Danger 1.9 9.17
October 20, 2014 7.4 Child's Play 1.5 8.82
October 27, 2014 7.5 Meme is Murder 1.6 8.75
November 10, 2014 7.6 The Time of Our Lives 1.6 9.52
November 17, 2014 7.7 Once Upon a Time in the West 1.8 9.38
November 24, 2014 7.8 Kill Switch 1.7 9.55
December 1, 2014 7.9 Last Action Hero 1.5 8.45
December 8, 2014 7.10 Bad Santa 1.4 7.32
January 12, 2015 7.11 Castle, P.I. 1.3 6.77
January 19, 2015 7.12 Private Eye Caramba! 1.5 7.60
February 2, 2015 7.13 I, Witness 1.4 7.41
February 9, 2015 7.14 Resurrection 1.6 7.43
February 16, 2015 7.15 Reckoning 1.6 8.47
February 23, 2015 7.16 The Wrong Stuff 1.6 7.61
March 16, 2015 7.17 Hong Kong Hustle 1.5 8.94
March 23, 2015 7.18 At Close Range 1.4 8.04
March 30, 2015 7.19 Habeas Corpse 1.5 8.16
April 20, 2015 7.20 Sleeper 1.4 8.34
April 27, 2015 7.21 In Plane Sight 1.3 8.31
May 4, 2015 7.22 Dead From New York 1.4 8.26
May 11, 2015 7.23 Hollander's Woods 1.4 8.44


Season 8[edit]

Air Date Episode Number Title 18-49 Ratings Share Total Viewers
September 21, 2015 8.1 XY 1.2 6.84
September 28, 2015 8.2 XX 1.2 6.70
October 5, 2015 8.3 PhDead 1.2 6.76
October 12, 2015 8.4 What Lies Beneath 1.1 6.78
October 19, 2015 8.5 The Nose 1.1 6.67
November 9, 2015 8.6 Cool Boys 1.0 6.07
November 16, 2015 8.7 The Last Seduction 1.1 6.66
November 23, 2015 8.8 Mr. & Mrs. Castle 1.1 6.65
February 8, 2016 8.9 Tone Death 1.1 5.72
February 14, 2016 (Sun) 8.10 Witness for the Prosecution 0.8 4.19
February 15, 2016 8.11 Dead Red 0.9 5.15
February 22, 2016 8.12 The Blame Game 1.1 5.48
February 29, 2016 8.13 And Justice for All 1.1 5.26
March 8, 2016 8.14 The G.D.S. 1.1 5.68
March 21, 2016 8.15 Fidelis Ad Mortem 1.1 6.50
April 4, 2016 8.16 Heartbreaker 1.1 6.37
April 11, 2016 8.17 Death Wish 1.1 6.44
April 18, 2016 8.18 Backstabber 1.0 5.86
April 25, 2016 8.19 Dead Again 1.1 6.19
May 2, 2016 8.20 Much Ado About Murder 1.0 6.03
May 9, 2016 8.21 Hell to Pay 1.1 6.74
May 16, 2016 8.22 Crossfire 1.3 7.65