Knights in armor weighed so much that they had to be lifted onto their horses. Medieval barbers doubled as dentists. Robin Hood stole from the rich to give to the poor. You may have heard these common sayings or beliefs before. But are they really true? Can they be proven through research? Let's investigate seventeen statements about the Middle Ages and find out which ones are right, which ones are wrong, and which ones stump even the experts! Find out whether King Arthur really ruled England during the Middle Ages! Discover whether a terrible plague killed millions of people! See if you can tell the difference between fact and fiction with Is That a Fact?