S1·E4 Big Blue
Core
Aired November 19, 2017
Synopsis
Animals go to the extreme to survive in the vast marine desert.
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Frequently Asked Questions
When did Season 1 Episode 4 of Blue Planet II air?
Season 1, Episode 4 ('Big Blue') originally aired on November 19, 2017.
How long is Season 1 Episode 4 ('Big Blue')?
The episode follows the standard broadcast runtime for Blue Planet II.
What happens in Blue Planet II Season 1 Episode 4?
Animals go to the extreme to survive in the vast marine desert....