Aired: Sep 12, 2001The next episode delves into the awe-inspiring magnitude of the Blue Planet, ...


The deep sea, a vast and enigmatic environment, plunges into darkness around a kilometer depth, where temperatures rapidly drop as it approaches the ocean floor, covering most of the planet and serving as the largest habitat on Earth.
Streaming in:
United Kingdom
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At the present time, viewers have the opportunity to enjoy "The Blue Planet" completely free of charge, though with occasional advertisements, on the following streaming platforms: BBC iPlayer. Additionally, viewers have the option to either rent or purchase "The Blue Planet" on the following digital platforms: AppleTV, Amazon, Google Play.