Watch Castle Online
World famous mystery writer Richard Castle finds unexpected inspiration when Detective Kate Beckett questions him about a series of murders that based on his books.
We finally meet Castle's father on the conclusion of the annual two-parter. This is a major episode!
Dylan Walsh guest stars on this episode of Castle. It's the first of a two-parter.
Castle parodies The Real Housewives franchise this week, as a rising young reality star is killed.
Senator William H. Bracken is back on Castle this week. He is linked to the death of a young woman.
The founder of an adult video franchise is found dead on Castle this week. Kelly Hu guest stars.
A DJ is killed on this episode of Castle, forcing Kate and Rick to delve into the raucous world of New York's music industry.
Castle's ex-wife visits this week, causing a problem when she is forced to shack up with Castle and Beckett.
When a man in a Santa suit and Kris Kringle ID is found dead in the snow, Beckett and Castle must hunt down his killer... all while preparing for their first Christmas together as a couple on Castle.
Castle and Beckett bicker on this episode, only to be sent to retrieve the witness to a murder. From there, the couple goes on the run.
A film documentary crew decide to film Castle and Beckett as they investigate the death of a rock star. C Thomas Howell guest stars on Castle.