This is the way the world ends; not with a whimper but with an extended improv session featuring Seth Rogen, Jay Baruchel, James Franco, Craig Robinson, Jonah Hill, Danny McBride and a fleet of other popular young comics. On an ordinary night in Los Angeles, the straight-up-biblical apocalypse begins. After the Rapture, our six heroes board themselves up in Franco's Hollywood mansion and wait for a rescue. It never comes. Supplies dwindle. Tensions mount. 'This Is the End.'