Apocalypse How? every Sunday from 9pm uncovers new research on how the world might come to an end. The exclusive UK premiere series Doomsday: 10 Ways The World Will End shows the catastrophic events that could end life as we know it. Through incredible CGI, each episode opens with a terrifying catastrophe, from gravity becoming distorted to glass raining from the sky, mass illness, rogue planet collisions, gamma ray bursts or nuclear war. Other UK premiere shows following at 10pm are: Two Degrees: The point of No Return (2hr special), After Armageddon (2hr special) Countdown To Apocalypse (6x1hr) and 7 New Signs Of The Apocalypse (2hr special).