TR

Season 3, Episode 21

The Dead Pool

7.7/ 10April 11, 201144 min

When a champion swimmer and Olympic hopeful is found dead in a training pool, Castle & Beckett dive in to investigate his murder, and uncover myriad secrets that might have led to his death.

Directed by
Paul Holahan
Written by
Matt Pyken

Guest stars

All episodes — Season 3

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  1. S3 E1

    A 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.

  2. S3 E2

    He'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.

  3. S3 E3

    Under 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.

  4. S3 E4

    Punked

    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

  5. S3 E5

    Anatomy 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.

  6. S3 E6

    3XK

    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