Episode
Where to Watch Merlin Season 4 Episode 3 in the US
Merlin is available with a subscription, free with ads, free with a participating library card, or to buy in the United States.
Subscription
Free with ads
Free with a library card
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.
Merlin viewing options
- Watch the series with a subscription on BritBox (HD) and Prime Video (HD).
- Watch the series free with ads on Pluto TV, Prime Video (HD), The Roku Channel (HD), and Tubi TV.
- Watch the series free with a participating library card on Fawesome (HD) and The CW.
- Buy seasons on Prime Video.
Available seasons and episodes vary by service.
Episodes
- S04E01 — The Darkest Hour8.5 IMDb
- S04E02 — The Darkest Hour: Part Two8.8 IMDb
- S04E03 — The Wicked Day8.4 IMDb
- S04E04 — Aithusa8.1 IMDb
- S04E05 — His Father's Son8.1 IMDb
- S04E06 — A Servant of Two Masters8.5 IMDb
- S04E07 — The Secret Sharer8.2 IMDb
- S04E08 — Lamia7.2 IMDb
- S04E09 — Lancelot du Lac7.9 IMDb
- S04E10 — A Herald of the New Age7.7 IMDb
- S04E11 — The Hunter's Heart8.1 IMDb
- S04E12 — The Sword in the Stone: Part One8.5 IMDb
- S04E13 — The Sword in the Stone: Part Two8.8 IMDb
Details
- Season
- 4
- Episode
- 3
- Aired
- Oct 15, 2011
- IMDb
- 8.4
Where to Watch Merlin Season 4 Episode 3 in the US — common questions
- Where to watch Merlin Season 4 Episode 3 in the United States?
- Merlin is available with a subscription, free with ads, free with a participating library card, or to buy in the United States. Merlin viewing options Watch the series with a subscription on BritBox (HD) and Prime Video (HD). Watch the series free with ads on Pluto TV, Prime Video (HD), The Roku Channel (HD), and Tubi TV. Watch the series free with a participating library card on Fawesome (HD) and The CW. Buy seasons on Prime Video. Available seasons and episodes vary by service.
- Where can I watch Merlin Season 4 Episode 3 in the United States?
- Merlin is available with a subscription, free with ads, free with a participating library card, or to buy in the United States. Merlin viewing options Watch the series with a subscription on BritBox (HD) and Prime Video (HD). Watch the series free with ads on Pluto TV, Prime Video (HD), The Roku Channel (HD), and Tubi TV. Watch the series free with a participating library card on Fawesome (HD) and The CW. Buy seasons on Prime Video. Available seasons and episodes vary by service.