The Cosmic Clock • 2022 • episode "S1E2" • Our Universe

4:50

Dolphins are one of the smartest animal species on Earth. In fact, their encephalization quotient (their brain size compared to the average for their body size) is second only to humans. But exactly how smart are they? Lori Marino details some incredible facts about dolphins.

TED-Ed • 2015 • Nature

48:34

As snails surf the waves in pursuit of a meal, how do the tides create opportunities for marine life?

S1E7 • Blue Planet I • 2001 • Nature

58:04

Sir David Attenborough explores the wildlife of his London hometown, from urban deer to rooftop peregrines and many others, revealing how nature thrives in the world’s greenest major city.

2026 • Nature

59:10

In the wilds of the Canadian Rocky Mountains, a mother moose tends to her newborn calf. Spring is in full swing, but this far north, winter is never far away and, with hungry bears and wolves for neighbours, many challenges lie ahead. Local cameraman Hugo Kitching knows this only too well, but he is determined to follow the mother and calf through the four seasons. What unfolds is a very intimate story, and when Hugo finds a second moose calf born late in the year, things take an unexpected and dramatic turn.

Natural World • 2016 • Nature

53:56

540 million years ago, the ancestors of modern complex organisms suddenly emerge in the Cambrian seas. Evolution progresses and even manages to make the leap onto land. But 250 million years ago, massive volcanic eruptions trigger the most severe mass extinctions in Earth’s history.

S1E3 • Fateful Planet • 2024 • Nature

47:24

Deserts are getting even hotter, drier and bigger, yet a host of remarkable animals still survive in the harshest of conditions, including cunning hyenas, pint-sized meerkats and sand-dwelling spiders.

S1E5 • Hostile Planet • 2019 • Nature