The handwringers awaiting the arrival of the Mayan apocalypse today (wait ... has it already happened?) can rest assured — we've been passively prepping for the end of the world for our entire pop-cultural lifespans. Just pop in a "three-for-the-price-of-one" VHS tape (Armageddon, Deep Impact, Independence Day, etc.) for a refresher. Learn correct doom-jargon, scrutinize characters' reactions to inevitable death, then emulate. The alternative is watching our service-y supercut, conveniently broken down into five Bruckheimer-approved options for coping with total annihilation.