Saints & Sinners: The History of the Popes S01 E04 Protest and Division (1447 - 1774)

Corruption reared its ugly head again during the Renaissance. Under such notorious figures as Pope Alexander Borgia, the church simultaneously reached a pinnacle of cultural greatness and a pit of spiritual degradation. Then came a reformation led by an unknown monk named Martin Luther. Determined to fight back, the Catholic Church led the Counter-Reformation, plunging Europe into religious wars.