- This product is for customers who already have the DVD set. It contains everything in the regular Study Program Leader's Kit, except the Catholicism Series DVDs. Leader’s Edition of the Study Guide, which includes extensive commentary on the theological content of each episode, plus “Questions for Understanding” (with suggested responses) and “Questions for Application.” The “Questions for Understanding” incorporate references from Scripture and from the Catechism of the Catholic Church to build on topics featured in the series. The “Questions for Application” help your group reflect on how Father Barron’s message is relevant to their lives and experiences. The study guide commentary and questions were written by Catholic author and Ignatius Press Blog Editor, Carl Olson, under the guidance and approval of Fr. Robert Barron. The Leader’s Guide also provides valuable direction on how to host and facilitate a group study in either 12 or 22 sessions.