Discovery's 'Apocalypse Preppers' Sneak Peek
First look at the one-hour special featuring the over-the-top ways preppers gear up for the end of the world. In this sneak peek, Dave demonstrates how he can survive on toilet water with his homemade water filtration system. The special is set to air on Thursday, Oct. 17, at 9:00 p.m.
Sundance: On the Scene