Where can I watch “Merlin” Season 5 Episode 1 online?

This page provides episode info and a legal-only guide. It does not host streams or downloads. Check official platforms and licensed services for availability in your region (US first).

Do I need to watch earlier episodes before “Arthur's Bane (1)”?

Watching earlier episodes in season 5 helps you follow the plot and character arcs leading into this episode.

Watch Merlin Season 5 Episode 1 Online

“Arthur's Bane (1)” — Watch "Merlin" Season 5 Episode 1 online in HD for free. Check streaming providers, cast, and episode details.

Oct 6, 2012 Season 5 Episode 1 43 min TV-PG

7.7 ★ ★ ★ ★ ★

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Merlin Season 5

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Where can I watch "Arthur's Bane (1)" online?

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Season 5 Episode 1 — Aired on Oct 6, 2012 • runs about 43 minutes.

Notable cast/guest names in this episode include Colin Morgan, Angel Coulby, Bradley James, Katie McGrath.

This page includes 6 official still(s) (when available) plus legal availability links.

Looking for “watch Merlin Season 5 Episode 1 online”? This is a legal-only guide with synopsis, stills, and navigation for this season.

Synopsis

Camelot faces a new golden age, but even as the city flowers, the dark seeds of destruction are being sown. In the frozen wastelands of the north, men are disappearing without a trace. King Arthur and his knights undertake a dangerous mission into the unknown in search of answers - but once there, Merlin finds himself locked in a battle unlike any he has fought before.