2. Stealing The World's Most Expensive Necklace

The Professor delves into an old catfishing scheme and the role it played in parting a queen with her head.

3. Surviving the Titanic: History's Luckiest Woman

A White Star Line employee survived the sinking of both the Titanic and its sister ship - what do the Professor and a notorious propeller have to say about it?

4. The Dancing Plague

In the season finale, the Professor talks dancing mania in Strasbourg in 1518, the famous incident where those people in France danced till they died.