Where can I watch “The Blue Planet” Season 1 Episode 3 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 “Open Ocean”?

Watching earlier episodes in season 1 helps you follow the plot and character arcs leading into this episode.

Watch The Blue Planet Season 1 Episode 3 Online

“Open Ocean” — Watch "The Blue Planet" Season 1 Episode 3 online in HD for free. Check streaming providers, cast, and episode details.

Sep 26, 2001 Season 1 Episode 3 50 min U

7.8 ★ ★ ★ ★ ★

9 votes

The Blue Planet Season 1

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Where can I watch "Open Ocean" online?

You can watch it through the button below, and it is free.

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Season 1 Episode 3 — Aired on Sep 26, 2001 • runs about 50 minutes.

Notable cast/guest names in this episode include David Attenborough.

This page includes 2 official still(s) (when available) plus legal availability links.

Looking for “watch The Blue Planet Season 1 Episode 3 online”? This is a legal-only guide with synopsis, stills, and navigation for this season.

Synopsis

In the immense space of the open ocean the sea bed is a staggering five miles below the surface and the nearest island is over 300 miles away. Yet here live many of the most spectacular predators in the ocean. Marvel as you experience ruthless and beautiful battles between hunter and prey.