E1Castle I
Where to watch
Not streaming yet
Coming soon
No streaming availability found for Castle anywhere yet.
Seasons & Episodes
E1
E2Castle II
E3Castle: Prologue
E4Castle III: Part A
E5Castle III: Part B
E6Castle III: Part C
E7Castle III: Part D
E8Castle Repercussions: Part A
E9Castle Reprecussions: Part B
E10Castle Reprecussions: Part C
E11Castle Reprecussions: Part D1
E12Castle Reprecussions: Part D2
Cast · Directed by Oscar Johansson
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Castle — streaming FAQ
Which OTT platform streams Castle?
Castle isn't streaming anywhere in United States yet.
Is Castle on Netflix?
No, Castle is not on Netflix in United States as of August 2026.
Is Castle on Amazon Prime Video?
No, Castle isn't on Amazon Prime Video in United States right now.
Where can I watch Castle for free?
Castle isn't streaming in United States yet, so there's no way to watch it free at the moment.
How many seasons are in Castle?
Castle has 1 season in total (12 episodes). The series concluded in 2009.
Are all episodes of Castle out yet?
Yes — all 12 episodes across 1 season of Castle are out and available to stream.
Is there a Season 2 of Castle?
No — Castle ended after 1 season, so there is no Season 2.