April Fools' Day or All Fools' Day is an annual custom on April 1st consisting of practical jokes and hoaxes. Jokesters often expose their actions by shouting "April Fools!" at the recipient. Mass media can be involved with these pranks, which may be revealed as such the following day. On the midnight jammies, Stories From Burlington Prison. Hear the actual recordings of tales as told by the caretakers of this historic prison museum in Mount Holly, NJ. Great music and fun, GSR.