How Long Can You SURVIVE In These Prehistoric Eras?

No gear. No guide. Wrong era. If you woke up on prehistoric Earth, would a predator be your biggest problem… or would the world itself get you first? Travel with Jay through almost 40 minutes of animal history: the first animals, strange Cambrian seas, giant-insect forests, dinosaurs, ice-age megafauna, and the living world around us today.