I don't ever pull any April Fool's day pranks and I tell my students that I am unprankable, and from their end I am (they are just not as good as they think they are). But ever year on this date I cannot help but think of this story that happened to my dad. This had to be at least 20 years ago. FM100 announced that Michael Jackson was coming in concert (this was when he was all that). My Dad got so excited and was calling ticketmaster trying to get tickets for me and him to go. He called and called and they were like "sir we don't know what you are talking about". He was so insistent and kept telling them that the radio station just announced it. It took him forever before he realized that it was a joke.
So have you ever pulled a really good April Fool's day joke or had one played on you?