To address any fears his young viewers might have about this supposedly unlucky day, Mister Rogers decided to make it really fun, especially for the King of the Neighborhood of Make-Believe.
A lot of people believe Friday the 13th is bad luck, and that comes from a lot of legends and traditions. But a guy in 19th Century New York decided to rep this maligned number by flouting superstition and holding regular meals for what he called the Thirteen Club.