From the wild coasts to the mysterious deep, and Earth’s busy shallow seas and stunning coral reefs, get an inside look at how to film in our oceans with behind-the-scenes footage from Planet Earth II, Blue Planet II, Seven Worlds, One Planet and more. More people have been to the moon than have been to the deepest parts of the sea, but these brave, unstoppable production teams went there — and the untold stories, alien landscapes, and unimaginable creatures they filmed are guaranteed to blow your mind.