Oct 6, 2021 · 26m
Our distant ancestors were afraid of lightning. For a long time it was thought that lightning was sent by the gods. Nowadays electricity is part of our daily life. Without it we would feel lost...


Our History is no more than a series of incredible events. From the birth of a thousand-year-old empire to the death of a flourishing civilization, from the creative genius of a handful of men to a worldwide cultural revolution, the most infinitesimal of our decisions can influence the future of humanity. Every episode guides us to revisit a key event, a crossroads in our History where the world swings one way or the other. With spectacular reconstructions created by 3D modeling specialists, every story is told in sequences, which gives new perspective for today.
Browse every episode and jump into details.
Oct 6, 2021 · 26m
Our distant ancestors were afraid of lightning. For a long time it was thought that lightning was sent by the gods. Nowadays electricity is part of our daily life. Without it we would feel lost...
Oct 6, 2021 · 26m
Early in their history humans realized that they could affect nature. Controlling fire making tools and taming wild animals. What they were not given by nature they harnessed in other species.
Oct 6, 2021 · 26m
From the mysterious megaliths in prehistory to the first hot air balloons and the construction of the Giza pyramid complex our ancestors have always observed and experimented gaining a better understanding of their World.
Oct 6, 2021 · 25m
Join us now on a journey through the key events that have allowed us to better understand the world of microbe.
Oct 6, 2021 · 26m
Join us on a journey through the key moments that enabled humanity to discover plastics.
Oct 6, 2021 · 26m
Long-distance communication, moving stealthily through the dark without being detected, and observation from afar have all become commonplace. At any moment, you can know exactly where you are on the planet.
Oct 6, 2021 · 26m
Today our understanding of energy enables us to send rockets into space. Compared to our ancestors, we have incredible power at our disposal. But what exactly is energy? Where does it come from?
Oct 6, 2021 · 26m
Today we can run climate simulations on a global scale. We have learned to control rivers and protect ourselves from flooding. How did we achieve these feats?
Oct 6, 2021 · 26m
From the infinitely small to the infinitely large, we have harnessed our expertise to develop incredible technologies. But have we come full circle? Let's go on a journey through the key moments that have allowed humanity to discover: quantum physics!
Oct 6, 2021 · 26m
Today, we know that many natural phenomena are based on the laws of physics. We can forecast the weather several days in advance. But are we really sure it is possible to predict everything?
Oct 6, 2021 · 25m
Today, in our daily lives, we use countless machines to do our hard work for us. Each of them obeying a specific program, custom written in a particular language.
Oct 6, 2021 · 25m
We know how to handle numbers so large that all the books in the world would not be enough to contain them. Our societies are profoundly reliant on an increasingly complex equation.
Oct 6, 2021 · 23m
Today, we are just beginning to understand what happens beneath our feet, in the heart of our planet. Tomorrow, we may be better equipped to predict and prepare for volcanic eruptions or tsunamis.
Quick answers about this season's release timeline and episode lineup.
Butterfly Effect Season 4 premiered on October 6, 2021.
Butterfly Effect Season 4 has 13 episodes.
The season opens with Season 4 Episode 1, "Electricity: A Bright Idea!". It aired on October 6, 2021.
Go to Season 4 Episode 1