This episode contains an above average amount of train-based propaganda.

THE HANGING WINDMILL: Did you know that the Wild West was extremely dirty? Oh, you did? It's like the most obvious thing about the Wild West, you say? Well did you also know that it was full of murderers??

A BRIEF HISTORY OF BATHS: Who came up with "swimming" anyway?

EAT YOUR HORSE, RIDE A TRAIN: Horses VS trains, there can only be one!