E7 • It Fell From Space

E1 • 10 Ways To Destroy The Earth

In this episode, our experts cook up ten ways you could destroy the earth, including swallowing it with a microscopic black hole, blowing it up with anti-matter, hurling it into the Sun, and switching off gravity.

42m • 2013

In this episode, our experts cook up ten ways you could destroy the earth, including swallowing it with a microscopic black hole, blowing it up with anti-matter, hurling it into the Sun, and switching off gravity.

E2 • Biggest Blasts

The Universe is full of explosions that both create and destroy. This is a countdown of 10 of the biggest, most powerful types of blasts to rock the cosmos.

43m • 2013

The Universe is full of explosions that both create and destroy. This is a countdown of 10 of the biggest, most powerful types of blasts to rock the cosmos.

E3 • The Day The Moon Was Gone

Without the moon, the earth would be a very different and desolate place today: four hours of sunlight with pitch-black nights, steady 100mph winds spawning giant hurricanes lasting for months, and virtually no complex life forms, much less humans.

42m • 2013

Without the moon, the earth would be a very different and desolate place today: four hours of sunlight with pitch-black nights, steady 100mph winds spawning giant hurricanes lasting for months, and virtually no complex life forms, much less humans.

E4 • Death Stars

For most it is the deadly centerpiece of the film Star Wars. But in reality, real death stars are in the final stage of life before they explode into supernovae, and occassionally, the biggest blast in the universe: the gamma ray burst.

43m • 2013

For most it is the deadly centerpiece of the film Star Wars. But in reality, real death stars are in the final stage of life before they explode into supernovae, and occassionally, the biggest blast in the universe: the gamma ray burst.

E5 • Extreme Energy

Dark Matter and Dark Energy make up 96 per cent of the Universe. Discovered only ten years ago, scientists are struggling to comprehend its unusual characteristics and answer the ultimate question; what is the fate of our Universe?

43m • 2013

Dark Matter and Dark Energy make up 96 per cent of the Universe. Discovered only ten years ago, scientists are struggling to comprehend its unusual characteristics and answer the ultimate question; what is the fate of our Universe?

E6 • The Hunt For Ringed Planets

Ringed planets are breathtaking, lethal and a constant source of surprise. The stunning rings of Saturn have mesmerised countless scientists over the centuries.

42m • 2013

Ringed planets are breathtaking, lethal and a constant source of surprise. The stunning rings of Saturn have mesmerised countless scientists over the centuries.

E7 • It Fell From Space

Is space warp-drive technology possible? Discover the array of spacecraft being designed which could see man travel through the 'final frontier'.

43m • 2013

Is space warp-drive technology possible? Discover the array of spacecraft being designed which could see man travel through the 'final frontier'.

E8 • Liquid Universe

On alien planets, they rain from the sky as scalding iron. They're so rare in the Universe, they almost don't exist, but these are the magical liquids of our Liquid Universe.

43m • 2013

On alien planets, they rain from the sky as scalding iron. They're so rare in the Universe, they almost don't exist, but these are the magical liquids of our Liquid Universe.

E9 • Pulsars & Quasars

Season four highlights the interviews with experts who study in the fields of cosmology, astronomy, and astrophysics.

43m • 2013

Season four highlights the interviews with experts who study in the fields of cosmology, astronomy, and astrophysics.

E10 • Science Fiction: Science Fact

Warp speed, transporters, wormholes and lasers are all staples of science fiction books, movies, and TV shows. But the fantastic world of tomorrow is quickly becoming the futuristic world of today.

43m • 2013

Warp speed, transporters, wormholes and lasers are all staples of science fiction books, movies, and TV shows. But the fantastic world of tomorrow is quickly becoming the futuristic world of today.

E11 • The Search For Cosmic Clusters

Star Clusters are the one-stop-shopping places for learning all about the nature and variety of stars in The Universe.

45m • 2013

Star Clusters are the one-stop-shopping places for learning all about the nature and variety of stars in The Universe.

E12 • Space Wars

From ground-based lasers to telephone pole-sized rods hurtling from space at two miles per second, and the far out weapons of the distant future, it's time to "lock and load" for Space Wars.

45m • 2013

From ground-based lasers to telephone pole-sized rods hurtling from space at two miles per second, and the far out weapons of the distant future, it's time to "lock and load" for Space Wars.