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Blue Planet III

The third series of this nature documentary uses the very latest in underwater filming techniques to reveal brand new and untold stories from magical underwater worlds focusing on five major underwater habitats: the tropical seas, temperate seas, polar seas, high seas and deep seas.

1 season2026

Documentary

English

Where to watch

Subtitle providers: TSDB

Storyline

The third series of this nature documentary uses the very latest in underwater filming techniques to reveal brand new and untold stories from magical underwater worlds focusing on five major underwater habitats: the tropical seas, temperate seas, polar seas, high seas and deep seas.

# Documentary

Info

Type
TV series
Status
Returning Series
First aired
1 November 2026
Length
1 season, 6 episodes

Production

Networks
BBC One
Countries
United Kingdom

Languages

Original
English
Spoken
English
Streams in
2 countries

Ids

TMDB
208929

Worldwide

Stream

  • Sky Go
    2 countries

    Ireland, United Kingdom

Free

  • BBC iPlayerUnited Kingdom