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.
The detectives investigate a murder which leads back to Castle's friend, Mayor Welden.
Ryan prepares to get married and the detectives look to solve the murder of a pick up artist.
Castle and Beckett wake up handcuffed together with no memory of the situation. Time to find out what happened!
A sniper is making waves in NYC, causing Beckett to deal with her PTSD. Castle and Esposito do their best to help her through the situation.
An Atlantic City casino owner is found dead in NYC leading to a bachelor party for Ryan on the latest episode of Castle.
A bank robbery goes bad when Castle and Martha are held hostage inside. Find out what happened in the latest episode of Castle now!
Castle and Beckett hunt down the murder of a famous ghost hunter on the latest installment of Castle.
Kristin Lehman guest stars this week as Serena Kaya, an insurance investigator who helps out Beckett & Castle when a murder and robbery takes place at an art museum.
Uh-oh. The gun used in a murder this week is discovered to be Det. Ryan's former service weapon. That can't be good.
A missing body leads the detectives into the world of cryonics and Alexis gets news from Stanford.