Season 1 Episodes7
Cast1

David Attenborough
Self - Presenter
Crew1
J
Jonathan Smith
Producer
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Ranked #1 of 7 in Season 1•+0.3 vs season avg
Oceans are explored to better understand the world beneath the waves.

David Attenborough
Self - Presenter
Jonathan Smith
Producer
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"One Ocean" is episode 1 of Blue Planet II season 1. It scored 9.1/10 from 1,754 votes, ranking #1 of 7 episodes this season (season average 8.8). It aired on October 29, 2017.