Episode 4, Cross and Sword, begins with the death of Charlemagne and the Carolingian Empire is soon divided and separate regional powers once again take over. Since the useful alliance between pope and emperor was on shaky footing, this led to a split in Christianity in 1054 when the Slavic people decided on the Orthodox version of the religion.DVD Features:Region 1Keep CaseSingle Side - Single LayerFull Frame - 1.33:1