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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. Written by ABC Publicity
All Episodes - S03
EPS02
When a famous psychic is murdered, Beckett and Castle search for her killer while also carrying on a spirited debate on the existence of extrasensory abilities. Evidence ...
EPS05
Mysteries abound when pallbearers at a funeral lose control of a surprisingly heavy casket only to have a second unknown woman tumble out along with the original deceased ...
EPS09
Astrophysicist Marie Subbarao (35)'s corpse is found, with all symptoms of fatal explosive decompression. Her ex Ted Carter, a colleague at the institute, has an alibi. A ...
EPS22
Mike Royce, Becket's former police mentor, who lost his bounty-hunter license when she arrested him, is murdered while visiting New York, possibly by a fellow passenger f ...