Dr. Christine Chaillot speaks about the relations between the Eastern Orthodox and Oriental Orthodox churches. She gave her talk on Orthodox Education Day, held at St. Vladimir's Orthodox Theological Seminary, Saturday, October 7, 2017. Referring to her latest work, The Dialogue between Eastern Orthodox and Oriental Orthodox Churches, Dr. Chaillot explains the initial dispute that split the two church bodies in the 5th century following the Council of Chalcedon, and she also informs us about contemporary ongoing official dialogue and current increased rapprochement between the two faith communities.