Credit: Karen Neal/ABC Television Group © 2012 Disney Photo: Beckett and the Dog in Season 4, Episode 13: “An Embarrassment of Bitches”

Did you miss the latest episode of Castle? Don't be the last one to know what happened to the famous crime writer and his beautiful muse.

Watch Castle full episodes online for free now!

Season 4, Episode 13: "An Embarrassment of Bitches"

Original Air Date: Monday, January 23, 2012

When a famous dog trainer is killed, the investigation keeps coming back to charismatic reality TV star Kay Cappuccio (guest star Hilarie Burton, White Collar). Kay, a favorite of tabloids and gossip websites the world over, has achieved stardom without possessing any discernible skill or talent. But there seems to be more to her story than she is letting on — does that include murder?

 

Justin Hartley (Smallville) guest stars as Reggie Starr, Kay's boyfriend, and Nana Visitor (Star Trek: Deep Space Nine) plays Dr. Patty Barker, an eminent therapist whose talents are called upon when it's discovered that one of her clients witnessed the murder.

 

Season 4, Episode 12: "Dial M For Mayor"

Originally aired: Monday, January 16, 2012


Derek Webster (Desperate Housewives, Damages) guest stars as Mayor Robert Weldon, Castle’s longtime friend and the Mayor of New York City. It was Mayor Weldon’s political clout that allowed Castle to partner up with Beckett. But now a woman is found dead in a car that traces back to the mayor’s motor pool, and that partnership comes under fire as the scandal surrounding the investigation threatens to bring down Weldon’s administration.

Season 4, Episode 10: "Cuffed"

Originally aired: Monday, January 9, 2012

 

When a lothario is killed, Castle and Beckett suspect that the victim’s mysterious double life holds the key to his murder. Their investigation leads to a shocking twist that threatens to disrupt Ryan’s wedding with Jenny (Seamus Dever’s real-life wife, Juliana Dever, guest stars).