Starz's Outlander films and takes place in Scotland, but how well do the stars really know the culture?

Celebrity Watchlist: Which TV show gives Outlander's Sam Heughan nightmares?

During our trip to the show's set, we tested Caitriona Balfe, Sam Heughan and Tobias Menzies on all things Scottish, from the laws of whiskey to famous Scottish rock stars and everything in between. How well did they do? Watch:

Outlander returns on Saturday, April 4 at 9/8c on Starz.