castle.2009.S04E11

The investigation of the death of a ladies' man causes problems on Ryan's wedding day.

With tensions rising between Castle and Beckett, Castle finds himself a new partner — Detective Ethan Slaughter, a tough and colorful cop from the city’s gang unit. But Castle gets more than he bargained for when Slaughter shows him a grittier side of police work that puts Castle in the line of fire like never before.

Season 04, Episode 01 – “Rise”
In the fourth-season opener, a wounded Beckett fights to stay alive as Castle investigates her shooting. Meanwhile, Victoria Gates Penny Johnson Jerald takes charge as the precinct’s tough new captain.

When mystery-thriller writer Richard Castle is called in to help investigate a series of copycat murders based on his books, he finds he enjoys the experience sufficiently to want to continue it.

With tensions rising between Castle and Beckett, Castle finds himself a new partner — Detective Ethan Slaughter, a tough and colorful cop from the city’s gang unit. But Castle gets more than he bargained for when Slaughter shows him a grittier side of police work that puts Castle in the line of fire like never before.

When mystery-thriller writer Richard Castle is called in to help investigate a series of copycat murders based on his books, he finds he enjoys the experience sufficiently to want to continue it.

After a serial killer imitates the plots of his novels, successful mystery novelist Richard "Rick" Castle gets permission from the Mayor of New York City to tag along with an NYPD homicide investigation team for research purposes.

After a serial killer imitates the plots of his novels, successful mystery novelist Richard "Rick" Castle gets permission from the Mayor of New York City to tag along with an NYPD homicide investigation team for research purposes.

After a serial killer imitates the plots of his novels, successful mystery novelist Richard "Rick" Castle gets permission from the Mayor of New York City to tag along with an NYPD homicide investigation team for research purposes.

When mystery-thriller writer Richard Castle is called in to help investigate a series of copycat murders based on his books, he finds he enjoys the experience sufficiently to want to continue it.

39: 3x05 -- Anatomy of a Murder (Oct/18/2010) 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. When Castle and Beckett learn that the victim was a doctor at County Hospital, their investigation takes them into the world of amorous, bed-hopping physicians. Did jealousy turn to murder, or did the doctor's mysterious work outside the hospital lead to her demise? Meanwhile, Castle's relationship with Gina is challenged when she tries to bond with Alexis.
Castle (2009) season 3 episode 5