Castle
Season 3 Episode 6 - 3XK
When a beautiful woman is found dead in an alley, all clues point to her being a victim of the notorious Triple Killer. The Triple Killer, or 3XK, terrorized New York City four years ago, then mysteriously disappeared. Now he's back. In a deadly battle of wits, Castle and Beckett race against time to stop 3XK before he claims his next victims.
Episodes in Season 3
A Deadly Affair
44 min
He's Dead, She's Dead
44 min
Under the Gun
44 min
Punked
44 min
Anatomy of a Murder
44 min
3XK
44 min
Almost Famous
43 min
Murder Most Fowl
44 min
Close Encounters of the Murderous Kind
43 min
Last Call
44 min
Nikki Heat
43 min
Poof! You're Dead
44 min
Knockdown
44 min
Lucky Stiff
44 min
The Final Nail
44 min
Setup (1)
44 min
Countdown (2)
44 min
One Life to Lose
44 min
Law & Murder
44 min
Slice of Death
44 min
The Dead Pool
44 min
To Love and Die in L.A.
44 min
Pretty Dead
43 min
Knockout
44 min