Kurzgesagt - In a Nutshell Season 6 Episode release dates & where to watch

1. Why Alien Life Would Be Our Doom — The Great Filter

Finding alien life on a distant planet would be amazing news - or would it? If we are not the only intelligent life in the universe, this probably means our days are numbered and doom is certain.

2. Homeopathy Explained — Gentle Healing or Reckless Fraud?

What are the principles behind Homeopathy and does it work?

3. String Theory Explained — What Is the True Nature of Reality?

Is String Theory the final solution for all of physic’s questions or an over-hyped dead end?

4. A Selfish Argument for Making the World a Better Place — Egoistic Altruism

Why should you care about the well-being of people half a globe away?

5. Time: The History & Future of Everything — Remastered

6. The Black Hole Bomb and Black Hole Civilizations

7. The Deadliest Being on Planet Earth — The Bacteriophage

A war has been raging for billions of years, killing trillions every single day, while we don’t even notice. This war involves the single deadliest being on our planet: the bacteriophage.

8. 3 Arguments Why Marijuana Should Stay Illegal Reviewed

We take a fair look at some of the best counter arguments for legalization and see how they hold up in review.

9. Plastic Pollution: How Humans Are Turning the World Into Plastic

Modern life would be impossible without plastic – but we have long since lost control over our invention. Why has plastic turned into a problem and what do we know about its dangers?

10. What If You Detonated a Nuclear Bomb in the Marianas Trench? (Science, Not Fantasy)

Did you ever wonder what happened if you detonated a nuclear bomb in the Marianas Trench? No? We neither! Let us find out together!

11. Wormholes Explained — Breaking Spacetime

Are wormholes real or are they just magic disguised as physics and maths? And if they are real how do they work and where can we find them?

12. How We Could Build a Moon Base TODAY (Space Colonization #1)

Did you know that we could start building a Lunar Base today?

13. Why Meat Is the Best Worst Thing in the World

Meat is a complicated issue. But also a delicious one. Let's talk about it.

14. Why Beautiful Things Make Us Happy — Beauty Explained

It’s hard to define what makes something beautiful, but we seem to know beauty when we see it. Why is that and how does beauty affect our subconscious?

15. End of Space — Creating a Prison for Humanity

Space travel is the most exciting adventure for humanity, but in an irony of history we may stop ourselves from going into space the more we do it. With every rocket launched we are creating a deadly trap for mankind.

16. How to Build a Dyson Sphere — The Ultimate Megastructure

If humans want to expand into space, it will take us incredible amounts of energy. How do we do that? Easy: we will just use the sun’s energy by realizing the most ambitious construction project in history. This is how it works.

17. Aliens Under the Ice — Life on Rogue Planets Finale

Out in the vast coldness of outer space, there are planets that travel alone through darkness without the boundaries of a system. Here’s how this can happen – and why these frozen deserts might secretly harbor alien life.

18. Episode 18