Watch The Blue Planet

An octopus that disguises itself with shells and the plastic that changed policy.

Attenborough's eleven habitats in high definition; the snow leopard and the birds of paradise.

The iguana versus the racer snakes; the sequel with drones and better cameras.

Attenborough at ninety-seven, across coasts, deserts and freshwater, with people in the frame this time.

A diver visits the same octopus every day for a year in a South African kelp forest.

Emperor penguins walk seventy miles to breed in the Antarctic winter; Morgan Freeman narrates.

David Brent at Wernham Hogg in Slough; twelve episodes and a Christmas special that invented the form.

Benedict Cumberbatch in modern London; the Reichenbach fall and the internet.