Big History

1. The Superpower of Salt

We all know that mankind can't live without air, food and water...the same is...

2. Horse Power Revolution

The horse has been a revolutionary animal in unexpected ways. It has changed ...

3. Gold Fever

This episode asks why mankind is gold crazy, and discovers there's a hard-wir...

4. Below Zero

Reveals how cold has the power to turn men into Barbarians, spark history's l...

5. Megastructures

From the Great Pyramid at Giza to the towering skyscrapers of today, humans h...

6. Defeating Gravity

Flight takes more than wings. We need the right kind of air, the perfect mate...

7. Brain Boost

Behind that cup of coffee or tea is a global story that goes back to the coll...

8. World of Weapons

Humans have small teeth and no claws or armor, so how do we project our power...

9. Mountain Machines

They form natural boundaries, dictate how we spread around the planet, create...

10. Pocket Time Machine

How does the cellphone in your pocket link to the Big Bang, the evolution of ...

11. Decoded

Secret codes run the world. The code of life, DNA, is the operating system fo...

12. Deadly Meteors

Impacts from space have created our planet and just about everything in it. L...

13. The Sun

The Sun is our master and creator. It gives us our perception of time, contro...

14. Rise of the Carnivores

Eating meat made us human...by giving us bigger brains, better tools, and spo...

15. H₂O

Water is the miracle molecule, and mankind has used its perfect properties to...

16. Silver Supernova

At critical moments in history, our second place metal was the most important...

17. The Big History of Everything

A two-hour special that caps off the 16-episode first season of H2's "Big His...