

S03E06
3XK
Aired October 25, 2010
Free, with no ads. Tick off what you watch and see what airs next.
Summary
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.
TV Binge Diary
Keep track of Castle (2009)
- See what airs next, in your own time zone.
- Tick off episodes and films as you watch.
- Rate them, keep lists, and keep the record. Private by default.
