📺 Crushed by a Giant 6ft Water Balloon – 4K – The Slow Mo Guys | YouTube Watched Crushed by a Giant 6ft Water Balloon - 4K from YouTube Gav and Dan love a good old Giant Balloon video. Why don't we do a few? In this one Dan gets flat. https://www.youtube.com/watch?v=fZI5oZ-1NdA