The Catholic Encyclopedia says: "If we knew more of Callixtus from Catholic sources, he would probably appear as one of the greatest of the popes." Instead, the sources we have are from his greatest critics. But is that a bad thing? His enemies have so much to say! In this episode, we discuss Callixtus's adventurous life, his scandalous policies, his cemetery, and determine whether he was a Saint, or a massive sinner.