Watch Upon This Rock (2006) : Full Movie Online Free Upon This Rock is an in-depth exploration of the issues that many Protestant believers face when considering the Orthodox Church. Featuring interviews with 16 people from around the United States who have recently converted to Orthodoxy from Protestant backgrounds, the topics on this DVD include: First Worship Experiences, Mary the Mother of God, the Sacraments of Communion and Confession, and Sola Scriptura, as well as a heartfelt discussion of what conversion can mean in the family context.