After the continents collided, saber-toothed tigers ruled South America - for the most part. Then, witness how mammoths and mastodons faced extinction, together. Watch Surviving Earth on Thursday at 8/7c on NBC and next day on Peacock. #NBC #SurvivingEarth » Subscribe for More: bit.ly/NBCSub Find NBC trailers, full episode highlights, previews, promos, clips, and digital exclusives here. NBC ON SOCIAL: YouTube: youtube.com/nbc Twitter: Twitter.com/NBC Facebook: Facebook.com/NBC Instagram: instagram.com/nbc ABOUT SURVIVING EARTH: Eight epic eras. One thriving planet. From the producers of Walking with Dinosaurs, this awe-inspiring docuseries journeys across 450 million years to explore Earth's major extinction events and the creatures who fought to survive along the way. Gomphothere Charges Saber-Toothed Tiger; Mother Mammoth Embraces Mastodon | Surviving Earth | NBC youtu.be/jVFQPnDa3Pk NBC on YouTube youtube.com/user...