The Unbelievable Story of the Permian Extinction

In this documentary, you will travel back in time and discover what the world was like during an age far older than the dinosaurs. You will meet the animals that once roamed the Earth and witness how it all came to an end in the greatest mass extinction ever known—an event far more devastating than the extinction caused by the asteroid that struck Earth 66 million years ago. It is fascinating to consider just how distant the Permian Period truly was. The span of time separating the Permian from the asteroid impact at the end of the Cretaceous was roughly three times greater than the span separating that impact from the present day. In other words, we are about three times closer in time to the dinosaurs that lived when the asteroid struck than the animals of the Permian were to those very same dinosaurs. The Permian Period began as an ice age was drawing to a close, around 300 million years ago, and was marked by an extraordinary abundance of life both in the oceans and on land. Throughout this journey into the Permian Period, you will encounter some of the most unusual prehistoric animals ever discovered. Giant amphibians such as Eryops, Diplocaulus, and Prionosuchus ruled rivers, lakes, and tropical waterways long before crocodiles appeared. On land, bizarre early tetrapods and synapsids including Cotylorhynchus, Dimetrodon, Estemmenosuchus, Suminia, and the fearsome gorgonopsids occupied ecological roles that would later be filled by dinosaurs and mammals. Although many of these creatures are frequently mistaken for dinosaurs, they belonged to much older evolutionary lineages. Dimetrodon, for example, was a synapsid and therefore more closely related to mammals than to any dinosaur. Other animals reveal equally important stages in the evolution of vertebrate life: Suminia was among the earliest known tree-dwelling vertebrates, while Eudibamus displayed an early form of bipedal locomotion millions of years before the first dinosaurs walked the Earth. The documentary also explores the lost environments of the supercontinent Pangaea, from amphibian-filled lagoons and vast Glossopteris forests to the increasingly arid interior, where plants and animals were forced to adapt to extreme seasonal drought, rising temperatures, and fierce competition for food and water. Fossils discovered in North America, Russia, China, South Africa, and Brazil allow paleontologists to reconstruct this forgotten world and understand how ancient ecosystems changed throughout the Permian. Finally, the story leads to the Permian–Triassic mass extinction, also known as the Great Dying. Triggered by enormous volcanic eruptions associated with the Siberian Traps, this global catastrophe caused extreme climate change, ocean acidification, oxygen loss, toxic seas, and the collapse of ecosystems across the planet. Trilobites disappeared forever, most marine species became extinct, and the dominant animals of the Permian were swept away. Yet life did not vanish completely. A small number of survivors endured the devastation, including synapsid lineages that would eventually contribute to the rise of mammals. Their survival marked the beginning of a new prehistoric world—the Triassic Period and prepared the stage for the later emergence of dinosaurs. If you enjoy content about dinosaurs, prehistory, ancient worlds, documentaries, and massive extinction events, you are sure to love this video. It was created through extensive research, with a strong foundation in scientific evidence and plausibility, while also featuring unprecedented visuals produced with cutting-edge artificial intelligence. These technologies allowed us to recreate remarkable scenes from one of the least visually represented periods in the ancient history of planet Earth. You may have seen documentaries, computer simulations, or illustrations depicting these incredibly remote periods before—but you have never seen the Permian brought to life with this level of realism. Here on Causality, our story takes you through the entire Permian Period, from beginning to end, exploring many of its most important moments and details with an unprecedented level of immersion. Subscribe to the channel for more high-quality cinematic content filled with science, discovery, and fascinating insights.