Watch what happens when you say 'April Fools' to someone drinking coffee - without actually doing anything
Jimmy Kimmel, the king of the YouTube challenge, challenged his viewers to say 'April Fool's!' to a friend or family member while they were drinking coffee or tea.
Despite the fact that nobody who said 'April Fool's!' had actually done anything, the recorded reactions of those who think they've been pranked are absolutely brilliant.
People then sent their clips into Kimmel to be compiled into the best non-April Fool's video we've ever seen.
(We know this is a little late - but it didn't air until they had collected all the footage!)
Maybe fake pranks are the way forward, judging on the reactions - they're certainly less effort!