The more high-brow sorts of reality shows involve taking a group of people, sometimes a family, into a period in history and see how they cope. Examples of this subset of the genre include “The 1900 House” and “The Colonial House.” The viewer was invited to have fun watching people having to cope without modern conveniences while wearing quaint costumes. The Associated Press reported on Friday that a reality show in the Czech Republic, entitled “A Vacation in the Protectorate,” is going to take a family back to the days of the Nazi occupation and see how they cope with...