Season
Season 8 Episode
- Season 3 Episode 1
- Season 3 Episode 2
- Season 3 Episode 3
- Season 3 Episode 4
- Season 3 Episode 5
- Season 3 Episode 6
- Season 3 Episode 7
- Season 3 Episode 8
- Season 3 Episode 9
- Season 3 Episode 10
- Season 3 Episode 11
- Season 3 Episode 12
- Season 3 Episode 13
- Season 3 Episode 14
- Season 3 Episode 15
- Season 3 Episode 16
- Season 3 Episode 17
- Season 3 Episode 18
- Season 3 Episode 19
- Season 3 Episode 20
- Season 3 Episode 21
- Season 3 Episode 22
- Season 3 Episode 23
- Season 3 Episode 24
Castle - Season 3 Episode 6 3XK
7.97 45 minutes 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.
