Celebrating its twentieth anniversary, Travel Channel programme Globe Trekker has compiled a special 8-part series travelling the world, which includes the last episode 

8 East to West: Istanbul to Vienna

which according to the Travel Channel website, is airing today at 17:00.

In the show, presenter Ian Wright meets Enperor Diocletian in his palace, and calls him to account for his treatment of Christians, with unfortunate results. Check out what happens next here. A nice bonus for the many visiting tourists that day...