National Geographic Documentaries S2013E07 - Mammoth - Back from the Dead

Ten thousand years ago, humans shared the planet with mammoths. They roamed through the heart of Siberia numbering in the hundreds of thousands. Today, that same area is a massive mammoth graveyard, with thousands of skeletons preserved in the frozen tundra and a team of scientists want to bring the mammoth back to life. Follow this team on a quest to achieve one of the most audacious undertakings ever: to excavate frozen mammoth tissue in order to clone it.