Season 4
Episodes
S4 · E1 · 14 Jul 2015 · 42 min
How the Universe Built Your Car
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.
S4 · E2 · 21 Jul 2015 · 42 min
Earth, Venus's Evil Twin
An examination of Venus; and what it may indicate about Earth's future.
S4 · E3 · 28 Jul 2015 · 42 min
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.
S4 · E4 · 4 Aug 2015 · 42 min
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.
S4 · E5 · 11 Aug 2015 · 42 min
Dawn Of Life
Discovering how life on Earth came to be; the possibility that life on Earth come from another planet.
S4 · E6 · 18 Aug 2015 · 42 min
Secret History of the Moon
The incredible secrets of the moon are revealed; the moon might be responsible for life on Earth.
S4 · E7 · 25 Aug 2015 · 42 min
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.
S4 · E8 · 1 Sept 2015 · 42 min
Forces of Mass Construction
Scientists attempt to understand how this strange force of magnetism works.
Data and images from TMDB.