What's scarier than thousands of NFL fans descending upon New York City for the Super Bowl?
Residents of The Big Apple got the answer this week, as they fell under the attack of... underground zombies!
Seriously! Sort of!
As part of AMC's promotion of The Walking Dead Season 4 - which returns this Sunday with new episodes - a group of people donned walker makeup, crawled under the sidewalks of the city and scared the living heck out of all who passed by.
Watch The Walking Dead at TV Fanatic to catch up on this fun series and then check out this amazing prank, followed by many others, below: