Castle and Beckett investigate the apparent robbery-homicide of a New York cab driver, only to discover that the victim was involved in a mysterious conspiracy with unimaginable consequences. As the stakes continue to rise, hard-charging federal agent Mark Fallon takes over the investigation. Together, Fallon, Beckett and Castle must race to unmask the truth about the victim before it's too late.
- Directed by
- Rob Bowman
- Written by
- David Amann
Guest stars
All episodes — Season 3
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S3 E1A Deadly Affair
Sep 20, 20107.944 min
When Beckett and her team burst into an apartment on a murderer's trail, they see Castle standing over a dead woman's body holding a gun; Beckett arrests Castle as he asserts his innocence.
S3 E2He's Dead, She's Dead
Sep 27, 20107.644 min
Beckett and Castle search for a psychic's killer while debating the existence of extrasensory abilities.
S3 E3Under the Gun
Oct 4, 20107.744 min
When a coded document attracts Castle's attention, Beckett must steer the case back to the violent felons who populated their victim's world; when Beckett's ex-partner arrives, Castle must watch the relationship become romantic.
S3 E4Punked
Oct 11, 20107.944 min
Castle and Beckett look into the murder of a young mathematician gunned down with a 200-year-old bullet, sparking some wild theories by Castle about a time-traveling killer. When their investigation uncovers a tricked-out DeLorean and a sus
S3 E5Anatomy of a Murder
Oct 18, 20107.844 min
An unknown woman falls out of a casket along with the original deceased when pallbearers lose control of the casket at a funeral; the investigation takes Beckett and Castle into the world of amorous, bed-hopping physicians.
S3 E63XK
Oct 25, 2010844 min
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 d