Kurzgesagt - In a Nutshell: 2023
Season 11 Lore Primer
Key plot threads, lore context, and character stakes you need to remember before diving into this season.
- Directly follows the overarching narrative developments of Kurzgesagt - In a Nutshell Season 10.
- Faction dynamics and core character alliances shift under escalating external stakes.
- Crucial mysteries introduced previously reach key turning points and narrative reckonings.
- Sets up serialized story arcs that build directly toward the climactic season finale.
Episode Guide
Season 11 Progress Shield
The Most Complex Language in the World
Feb 14, 2023 · 12 min
You are cells. Your muscles, organs, skin and hair. They are in your blood and in your bones. Cells are biological robots. They don’t want anything, they don’t feel anything. They
What Actually Happens When You Are Sick
Feb 28, 2023 · 11 min
There is this idea floating around that what doesn’t kill you, makes you stronger. That surviving a disease leaves you better off. And it seems to make sense because we have all ex
How We Make Money on YouTube with 20M Subs
Mar 28, 2023 · 10 min
In 2023, Kurzgesagt has existed for 10 years (which is insanely long in internet years). We are among the largest sciencey channels on Youtube and still a bit of a black box to pe
Why Aliens Might Already Be On Their Way To Us
Apr 11, 2023 · 11 min
The universe is magnificent and vast. Hundreds of billions of galaxies, trillions of stars, and even more planets. If even the tiniest fraction are habitable, then the Universe sho
Your Body Killed Cancer 5 Minutes Ago
May 9, 2023 · 9 min
Somewhere in your body, your immune system just quietly killed one of your own cells, stopping it from becoming cancer, and saving your life. It does that all the time. The vast ma
The Black Hole That Kills Galaxies
Jun 11, 2023 · 11 min
The universe isn't just a vast empty ocean sprinkled with galaxies – most of the atoms are actually drifting in between, in the intergalactic medium. If we look closely, we can se
The Reason Why Cancer is so Hard to Beat
Jun 18, 2023 · 10 min
An undead city under siege, soldiers and police ruthlessly shooting down waves of zombies that flood from infected streets, trying to escape and infect more cities. This is what ha
The Most Dangerous Weapon Is NOT Nuclear
Jul 2, 2023 · 11 min
A breathtaking scientific revolution is taking place – biotechnology has been progressing at stunning speed, giving us the tools to eventually gain control over biology. On the one
The (Second) Most Deadliest Virus on Earth
Aug 8, 2023 · 11 min
Few of the monsters that evolution created have been so successful at hurting us as the variola virus, responsible for smallpox. The carnage it caused was so terrible and merciless
What Happens If You Destroy A Black Hole?
Aug 16, 2023 · 12 min
Black holes can destroy everything – but can they be destroyed? What happens if we push physics to the absolute limits, maybe even break it and the universe in the process? Let’s c
How A Nuclear War Will Start - Minute by Minute
Aug 22, 2023 · 9 min
Mr. President! Nuclear missiles will strike our country in 14 minutes. I know it’s your first day in office so I’m going to walk you through it, but you’re the only one who can aut
We Did The Math - You Are Dead!
Sep 12, 2023 · 10 min
Absolutely everything you think about yourself and the universe could be an illusion. As far as you know, you are real and exist in a universe that was born 14 billion years ago an
Why Korea is Dying Out
Oct 4, 2023 · 13 min
Every two years one million Japanese disappear, China’s population will halve by the end of the century, the median age in Italy has reached 48. All around the world birth rates ar
Ancient Life as Old as the Universe
Oct 10, 2023 · 11 min
Life has existed on one planet for about 4 billion years, for all we know. But it might have started right after the Big Bang, when the universe was much stranger and more fantasti
4.5 Billion Years in 1 Hour
Oct 11, 2023 · 64 min
Earth is 4.5 billion years old - which is approximately the same amount of time it took us to create this video. We’ve scaled the complete timeline of our Earth’s life into our fi
How to Win an Interstellar War
Oct 15, 2023 · 13 min
Could aliens destroy us from light years away? Another day at Kurzgesagt Labs, where we answer the most important questions with science. Today: how might civilizations wage war a
The Last Thing To Ever Happen In The Universe
Nov 21, 2023 · 12 min
The universe today is happy and healthy, with exciting things going on – but at some point the night will turn dark. Everything that once was, will peacefully sleep forever. But w
The Internet is Worse Than Ever – Now What?
Nov 29, 2023 · 12 min
In 2022 nearly half of Americans expected a civil war in the next few years, one in five now believes political violence is justified. And it is not just the US but around the worl
How To Destroy The Universe
Dec 8, 2023 · 13 min
The universe is going to die one day, and a fight between two titans will decide our cosmic fate. On one side of this galactic battlefield, we have all the matter in the universe;
Your Tattoo is INSIDE Your Immune System. Literally
Dec 12, 2023 · 9 min
Your tattoos are inside your immune system, literally. With each very tasteful piece of art, you kick start a drama with millions of deaths, grand sacrifices and your immune system
You Are The Center of The Universe (Literally)
Dec 17, 2023 · 13 min
You are in the middle of everything in the Universe. Let us go on a fantastical journey together - to the impossibly small and the incomprehensibly large!