A year after the epic Planet Earth II, Sir David Attenborough is returning to our screens with a follow-up to 2004’s Blue Planet.

No spoilers, but we’ve seen the first episode and as sequels go we can confirm it’s better than Sex And The City 2.

We’ve also been to the press conference and spoken to some of the team behind the new series.

Here are 22 things you need to know about Blue Planet II – complete with behind-the-boat info and what you can expect from the first episode.

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