Slow Motion Water Balloon War With 1,500 People

In the latest video by The Slow Mo Guys, Gavin Free and Dan Gruchy challenge filmmaker Freddie Wong to a water balloon fight. Freddie accepts the offer and proclaims it war, after calling up 1,500 friends to back him up. The slow motion 1,500 vs. 2 battle was captured at 2,500 frames per second using a Phantom Flex high speed camera.