This paper elaborates a theory of catechesis that is concerned with the psychological transformation of adult Christians. It offers a definition of this new type of catechesis as well as a comparison with experiential catechesis. It then presents a process for transformative catechesis based on the analytical method of Jungian depth psychology. This process includes anamnesis, interpretation, discernment, and ritual commitment, with the ultimate aim of helping adults identify and experience the paschal mystery in their own lives. It begins by examining the suitability of Jungian psychology for a catechetical process, presents the actual process, and then explores the theological implications of Jungian-based catechesis for those working in ministry.