How the Earth Was Made (2009)

S2E11 Earth's Deadliest Eruption

Two hundred and fifty million years ago, a colossal volcanic event in present-day Siberia unleashed lava flows a mile deep across a region as vast as Texas. This triggered catastrophic climate upheaval, wiping out 95% of Earth's life. The near-total extinction cleared the stage for a new ruling class: the dinosaurs.