S1, E1: Well, sure the answer is partly from 1980s horror movies like IT and Killer Klowns from Outer Space, but the reality is much deeper than that. From the Middle Ages through the Renaissance to 19th Century England, clowns have always been around to bring a little chaos. And the truth is, up until the late 1800s they were NEVER for kids. The truth is, terrifying killer clowns are nothing new.