Watch Pope: The Most Powerful Man in History live

Catholicism's profound impact on society has been felt for the past 2,000 years. This six-episode docuseries goes inside the Vatican to show how popes and the catholic church came to hold massive power throughout the ages. Linking recent news events surrounding the Vatican with its unexpected origins, the series explores how 12 apostles became 1.2 billion Catholics today, and how the pope became the most powerful man in history.