Castle - Season 3 - Eps 6: 3XK
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.
About Castle
Title: Castle
First Air Date: 2009-03-09
Last Air Date: 2016-05-16
Status: Canceled
Rating: 7.974/10 (from 2018 votes)
Language: EN
Seasons: 8
Total Episodes: 173
Network: ABC
Genres: Drama, Crime
Production Companies: Beacon Pictures, Experimental Pictures, ABC Studios, The Barry Schindel Company, MilMar Pictures
Synopsis
After a serial killer imitates the plots of his novels, successful mystery novelist Richard "Rick" Castle receives permission from the Mayor of New York City to tag along with an NYPD homicide investigation team for research purposes.
Cast
Nathan Fillion
Richard Castle
Stana Katic
Kate Beckett
Molly C. Quinn
Alexis Castle
Jon Huertas
Javier Esposito
Seamus Dever
Kevin Ryan
Susan Sullivan
Martha Rodgers
Tamala Jones
Lanie Parish
Toks Olagundoye
Hayley Shipton