Support us on Patreon: https://www.patreon.com/whatifshow/membership 00:00 Countdown 00:05 Cosmic End 01:52 What If the Earth Was Sucked Into a Black Hole? 08:36 What If Earth Collided with Mars? 21:00 What If Every Black Hole Suddenly Exploded? 26:25 What If the Largest Asteroid Hit Earth? 34:20 Earth's disasters 35:18 What If All of Antarctica's Ice Suddenly Melted? (remove host read) 53:29 What If Earth’s Core Stopped Spinning? 01:00:21 What If All Supervolcanoes Erupted? 01:06:08 What If Earth Froze Overnight? 01:12:04 Man-Made Chaos 01:12:51 What If We Dumped Our Trash into Volcanoes? 01:16:54 What If Humans Suddenly Went Extinct? 01:25:32 What If We Detonated an Antimatter Bomb on Earth? 01:30:32 The Alien Invasion 01:31:29 What If Aliens Arrived Tomorrow? 01:38:09 What If We Became Enslaved by Aliens? 01:43:37 What If Alien Life Was Silicon-Based? 01:48:06 Killer Creatures 01:48:53 What If the Titanoboa Never Stopped Evolving? 02:03:55 What If Dinosaurs Never Went Extinct? 02:07:23 What If Tardigrades Were the Size of Humans? 02:12:09 What If the Dinosaur-Killing Asteroid Struck Earth in 2025? 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