Watch a sneak peek of the upcoming episode of PENN & TELLER: BULLSHIT! titled - Area 51 - Season 8 Episode 6 which airs on Thursday, July 15, 2010 at 10 p.m. (ET/PT).
Episode Synopsis: Is the government hiding alien spaceships? Follow a team of UFO hunters on an overnight expedition in search of mysterious aircraft flying above a secret military facility known as Area 51. Buckle in it's going to be a bumpy ride.