S4 E1 • Nos voitures de la poussière d'étoiles

Beneath the hood of your car lies the history of the Universe. The iron in your chassis, the gold in your stereo and the copper in your electronics all owe their existence to violent cosmic events that took place billions of years ago.

Première diffusion : 14 juillet 2015

S4 E2 • Vénus et la Terre, destins croisés

There is a hellish planet in our solar system; covered in thick dense clouds and roasted by colossal temperatures. Incredibly this is a vision of Earth's future. To understand how our world will be destroyed we need to look at Earth's evil twin Venus.

Première diffusion : 21 juillet 2015

S4 E3 • Monster Black Hole

A look inside the supermassive black hole in the center of the Milky Way to discover terrifying secrets about parallel universes, wormholes, and space-time.

Première diffusion : 28 juillet 2015

S4 E4 • Edge of the Solar System

Huge magnetic bubbles millions of miles wide; strange invisible matter, and a death star tearing through bands of icy comets, flinging them into violent orbits.

Première diffusion : 4 août 2015

S4 E5 • L'aube de l'Humanité

Discovering how life on Earth came to be; the possibility that life on Earth come from another planet.

Première diffusion : 11 août 2015

S4 E6 • Les faces cachées de la Lune

Our Moon is stranger than you think, and we reveal its incredible secrets. Can we thank the Moon for life on Earth? What explains the mysterious tunnels beneath its surface? Is a lunar base the key to humanity's future in space?

Première diffusion : 18 août 2015

S4 E7 • Les premiers océans

For years, scientists suspected that the oceans came from molecules delivered to Earth from distant stars by asteroids, but a new discovery suggests that their true origins may be more exotic.

Première diffusion : 25 août 2015

S4 E8 • Forces of Mass Construction

Scientists attempt to understand how this strange force of magnetism works.

Première diffusion : 1 septembre 2015

S4 E9 • The Planet of Nightmares

Première diffusion : 27 octobre 2015

S4 E9 • The Planet of Nightmares

Same as S04E02 - "Earth, Venus's Evil Twin"

Première diffusion : 27 octobre 2015

S4 E9 • The Planet of Nightmares

A journey to a terrifying place in the solar system where clouds of poison and scorching heat make life impossible.

Première diffusion : 27 octobre 2015

S4 E10 • To Infinity and Beyond

Travel to the very end of our bizarre solar system, and discover how its strange features affect life trillions of miles away on Earth.

Première diffusion : 17 novembre 2015

S4 E12 • To Infinity and Beyond

Travel to the very end of our bizarre solar system, and discover how its strange features affect life trillions of miles away on Earth.

Première diffusion : 17 novembre 2015

S4 E10 • Interstellar Motor Company

Uncover how the history of the universe lies just beneath the hood of a car.

Première diffusion : 3 novembre 2015

S4 E10 • Interstellar Motor Company

Première diffusion : 3 novembre 2015

S4 E13 • Cosmic Cannibals

Same as S04E03 - Monster Black Hole: A look inside the supermassive black hole in the center of the Milky Way to discover terrifying secrets about parallel universes, wormholes, and space-time.

Première diffusion : 1 décembre 2015

S4 E11 • Earth's Guardian Angel

Première diffusion : 10 novembre 2015

S4 E11 • Alien Oceans

Using heavily researched information and breakthroughs in science, experts consider how and when the universe will end, hypothesizing how gravity and dark matter can affect the universe and the possibility of total annihilation by crushing.

Première diffusion : 24 novembre 2015

S4 E12 • To Infinity and Beyond

Same as S04E04 - "Edge of the Solar System"

Première diffusion : 17 novembre 2015

S4 E14 • Alien Oceans

Same as episode S04E07 - The First Oceans: For years, scientists suspected that the oceans came from molecules delivered to Earth from distant stars by asteroids, but a new discovery suggests that their true origins may be more exotic.

Première diffusion : 24 novembre 2015

S4 E12 • Earth's Guardian Angel

Première diffusion : 10 novembre 2015

S4 E15 • Strange Attractions

Same as episode S04E08 - Forces of Mass Construction: Scientists attempt to understand how this strange force of magnetism works.

Première diffusion : 8 décembre 2015

S4 E13 • Alien Oceans

Same as S04E07 - "The First Oceans"

Première diffusion : 24 novembre 2015

S4 E16 • The Universe's Greatest Miracle

Same as episode S04E05 - Dawn of Life: Discovering how life on Earth came to be; the possibility that life on Earth come from another planet.

Première diffusion : 15 décembre 2015

S4 E14 • Cosmic Cannibals

Same as S04E03 - "Monster Black Hole"

Première diffusion : 1 décembre 2015

S4 E15 • Strange Attractions

Première diffusion : 8 décembre 2015

S4 E16 • The Universe's Greatest Miracle

Première diffusion : 15 décembre 2015