Every year, firefly squid rise from the deep to spawn. Harnessing the chemistry inside their cells, they produce a spectacular display of bioluminescence before the natural end to their lifecycle. For the Japanese locals, this alchemy makes the creature a delicacy – and these fishermen have waited all year for this event.

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Forces of Nature (2016)
A bold and breathtaking series taking viewers on a tour of our planet to explain what lies beneath Earth's startling beauty and ultimately what makes our world work. In a perfect combination of accessible science and cutting-edge filming techniques, it explores the simplest possible questions about the planet we live on in order to reveal deeper truths about the cosmos and the forces of nature that govern everything in it. Travelling to stunning locations around the globe and featuring the creatures and environments shaped by these natural forces, it also looks at how humans fit into the story.

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