Support us on Patreon: https://www.patreon.com/whatifshow/membership 00:00 Countdown 00:05 Unlikely Space Collision 05:49 Destructive Earthquake 10:39 Solar Storm 19:52 Worldwide Pandemic 26:39 Asteroid Collision 34:38 Ecological Collapse 40:45 Super-volcanic Eruption 45:35 Catastrophic Climate Change 52:23 Failed Nuclear Experiment 01:07:13 - 1:13:18 World War Check out our other channels: How to Survive: https://bit.ly/how-to-survive-show Aperture: https://bit.ly/aperture-show T-shirts and merch: http://bit.ly/whatifstore What If elsewhere: Instagram: http://bit.ly/whatif-instagram Discord: https://discord.gg/Bj5UnspbwE Podcast: http://bit.ly/yt-what-if-show-podcast What If is a mini-documentary web series that takes you on an epic journey through hypothetical worlds and possibilities. Join us on an imaginary adventure through time, space and chance while we (hopefully) boil down complex subjects in a fun and entertaining way. Contact us at https://underknown.com/contact/ #whatif #space #mysteries #endoftheworld