Watch Planet Earth III

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.

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

Attenborough's first ocean series, from the tidal shallows to the abyssal plain.

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.