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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.
On Castle Season 8 Episode 8, Castle and Beckett end up trapped at sea on a ship with a killer when they investigate a cruise ship entertainer's murder.
On Castle Season 8 Episode 7, as Castle and Beckett's first wedding anniversary nears they must solve a brutal murder and help save Espo and Ryan's partnership.
On Castle Season 8 Episode 6, with Beckett away, Castle must help figure out if Det. Slaughter is guilty or innocent when a robbery case turns into a murder.
On Castle Season 8 Episode 5, Castle and Beckett work with a witness with a heightened sense of smell to catch a killer who stole a priceless work of art.
On Castle Season 8 Episode 4, when Castle discovers that his idol, a reclusive author has turned up dead, he and Beckett investigate but uncover strange secrets.
Castle goes undercover as a college professor on Castle Season 8 Episode 3 and learns some dark secrets but can he win back Beckett in the process?
On Castle Season 8 Episode 2, Beckett's side of her disappearance is revealed as she gets a mysterious tip from her past and must figure out who wants her dead.
While adjusting to Beckett’s career change, a call from a mysterious stranger sets off an explosive chain of events for Rick and Kate on Castle Season 8 Episode 1.
On Castle Season 7 Episode 23, a body in the woods leads Rick back to a traumatic childhood event while Kate faces a career dilemma in the season finale.
On Castle Season 7 Episode 22, when the creater of "Saturday Night Tonight" is murdered, Castle and Beckett uncover his shocking secret. Carly Rae Jepsen guest stars.