In Part One, William discusses the ancient heresies, including gnosticism, marcionism, montanism, adoptianism, modalism/sabellianism, arianism, semi-arianism, and pelagianism
- 19 Jun 26 – The Ancient Heresies, Part Two – In Part Two, William discusses the ancient heresies, including pelagianism, nestorianism, monophysitism, monothelitism, iconoclasm, Eucharistic symbolism, and albigensianism dualism/Catharism
