2009 · 8 seasons · Crime, Comedy, Romance
Castle follows Richard Castle, a bestselling mystery writer who shadows NYPD Detective Kate Beckett for research — and the two develop an undeniable chemistry while solving murders together. Starring Nathan Fillion and Stana Katic, the ABC procedural ran for 8 seasons and remains beloved for its humor and will-they-won't-they tension.
All 8 seasons of Castle stream on Hulu with any subscription plan.
Castle is not currently on Netflix. It streams on Hulu in the US.
Castle has 8 seasons and 173 episodes, airing from 2009 to 2016.
Nathan Fillion plays Richard Castle. He is also known for playing Captain Malcolm Reynolds in Firefly.
Yes — Castle is one of the most entertaining crime procedurals of its era, balancing comedy, romance, and mystery effectively. The Fillion/Katic dynamic is the show's greatest strength.