Skip to content
Castle poster

Season

Where to Watch Castle Season 4 in the US

Watch onAmazon Prime. Opens in a new tab.Apple TV Store. Opens in a new tab.

Castle is available with a subscription, free with ads, or to buy in the United States.

Castle viewing options

Watch similar TV shows on Amazon Prime Video for free30 Days FreeThen $8.99 / monthStream FreePromotedOpens in a new tab.

Some links are affiliate links; we may earn a commission. Prices may change. Check the provider for current pricing. Details.

Series availability last checked Oct 8, 2026.

Castle viewing options

Available seasons and episodes vary by service.

Episodes

  1. S04E01 — Rise8.5 IMDb
  2. S04E02 — Heroes and Villains8.3 IMDb
  3. S04E03 — Head Case7.6 IMDb
  4. S04E04 — Kick the Ballistics8.1 IMDb
  5. S04E05 — Eye of the Beholder2011-10-17
  6. S04E06 — Demons2011-10-24
  7. S04E07 — Cops & Robbers2011-10-31
  8. S04E08 — Heartbreak Hotel2011-11-07
  9. S04E09 — Kill Shot8.5 IMDb
  10. S04E10 — Cuffed2011-12-05
  11. S04E11 — Til Death Do Us Part2012-01-09
  12. S04E12 — Dial M for Mayor2012-01-16
  13. S04E13 — An Embarrassment of Bitches2012-01-23
  14. S04E14 — The Blue Butterfly2012-02-06
  15. S04E15 — Pandora8.7 IMDb
  16. S04E16 — Linchpin8.5 IMDb
  17. S04E17 — Once Upon a Crime8.0 IMDb
  18. S04E18 — A Dance with Death7.5 IMDb
  19. S04E19 — 47 Seconds8.5 IMDb
  20. S04E20 — The Limey7.7 IMDb
  21. S04E21 — Headhunters8.3 IMDb
  22. S04E22 — Undead Again8.5 IMDb
  23. S04E23 — Always9.3 IMDb

Seasons and episodes

Watch links for each season and episode are the same services that carry Castle.

Where to Watch Castle Season 4 in the US — common questions

Where to watch Castle Season 4 in the United States?
Castle is available with a subscription, free with ads, or to buy in the United States. Castle viewing options Watch the series with a subscription on Hulu (HD), Philo (HD), and Prime Video (HD). Watch the series free with ads on The Roku Channel (HD). Buy available seasons on Apple TV Store, Fandango at Home, and Prime Video. Available seasons and episodes vary by service.
Where can I watch Castle Season 4 in the United States?
Castle is available with a subscription, free with ads, or to buy in the United States. Castle viewing options Watch the series with a subscription on Hulu (HD), Philo (HD), and Prime Video (HD). Watch the series free with ads on The Roku Channel (HD). Buy available seasons on Apple TV Store, Fandango at Home, and Prime Video. Available seasons and episodes vary by service.