Season 3
She’s still armed. He’s still dangerous. And their chemistry is hotter than ever. Season three finds both Richard Castle and Detective Kate Beckett pursuing romantic options of their own. Their signals may be crossed, but this duo hasn’t lost any of their spark. With Beckett’s intrepid police work and Castle’s uncanny insight, solving murder has never been so much fun.
Episodes
1 A Deadly Affair Sep 20, 2010 
2 He's Dead, She's Dead Sep 27, 2010 
3 Under the Gun Oct 4, 2010 
4 Punked Oct 11, 2010 
5 Anatomy of a Murder Oct 18, 2010 
6 3XK Oct 25, 2010 
7 Almost Famous Nov 1, 2010 
8 Murder Most Fowl Nov 8, 2010 
9 Close Encounters of the Murderous Kind Nov 15, 2010 
10 Last Call Dec 6, 2010 
11 Nikki Heat Jan 3, 2011 
12 Poof! You're Dead Jan 10, 2011 
13 Knockdown Jan 24, 2011 
14 Lucky Stiff Feb 7, 2011 
15 The Final Nail Feb 14, 2011 
16 Setup (1) Feb 21, 2011 
17 Countdown (2) Feb 28, 2011 
18 One Life to Lose Mar 21, 2011 
19 Law & Murder Mar 28, 2011 
20 Slice of Death Apr 4, 2011 
21 The Dead Pool Apr 11, 2011 
22 To Love and Die in L.A. May 2, 2011 
23 Pretty Dead May 9, 2011 
24 Knockout May 16, 2011