The twist we didn’t see coming: Spielberg and Landis watched both movies when working out the costume - Landis herself has said so in previous interviews. So both of them are right. And yet here we all are, arguing the internet down about who is right.

Worth noting: they are both right, and they are both wrong. Landis herself has previously said both Secret of the Incas AND The Greatest Show on Earth helped inspire the costume of Indiana Jones: