Introduction to Catholicism - 30 OCIA Session Supplements

The OCIA Session Supplements are designed to accompany you on a transformative journey of faith and discovery. Each supplement builds upon the rich teaching of the Catholic Church, offering accessible insights, practical reflections, and spiritual encouragement to help you grow closer to Christ. Whether you are discerning entry into the Church, renewing your Catholic identity, or walking alongside others as a sponsor or catechist, these materials provide helpful tools to deepen your understanding and strengthen your relationship with God. Through this series, you'll explore core teachings, sacramental life, moral guidance, and the lived experience of discipleship in today’s world.

Below are the 30 OCIA session titles with brief descriptions of what each class explores.


Phase 1: Inquiry (Sessions 1–5)

• Welcome & Journeys– What is OCIA? Why does faith matter?

• Who is Jesus Christ? – True God and true man.

• The Bible & Revelation – Scripture and Tradition working together.

• The Trinity & God’s Love – Father, Son, and Holy Spirit in daily life.

• The Church – The Body of Christ and Catholic identity.

Phase 2: Catechumenate (Sessions 6–18)

• The Sacraments Overview – Signs of grace, instituted by Christ.

• Baptism & Confirmation – New life in Christ and the Spirit’s power.

• The Eucharist – The Real Presence and source of Christian life.

• Reconciliation – Healing through confession and God’s mercy.

• Marriage – Sacramental love and covenant.

• Holy Orders & Vocations – Priesthood, religious life, lay vocation.

• Anointing of the Sick – God’s care in suffering and healing.

• Mary & the Saints – Communion of saints and Marian devotion.

• Catholic Morality I – Ten Commandments and Beatitudes.

• Catholic Morality II – Catholic Social Teaching and conscience.

• Prayer I – Introduction to Catholic prayer forms.

• Prayer II – Adoration, devotions, and daily spiritual life.

• The Mass Walkthrough – Liturgy explained step by step.

Phase 3: Purification & Enlightenment (Sessions 19–24)

• Conversion & Discipleship – Living faith as a lifelong journey.

• Scrutiny I – Healing from sin, relying on God’s mercy.

• Scrutiny II – Freedom from sin, living in grace.

• Scrutiny III – Strength against temptation.

• Holy Week Explained – Palm Sunday, Triduum, Easter.

• Retreat Reflection – Preparing the heart for Easter Vigil.

Phase 4: Mystagogy (Sessions 25–30)

• Easter Vigil Reflections – Sharing sacramental experiences.

• Living the Mass – Why Sunday Mass is essential.

• Life of Service – Finding your gifts and joining ministries.

• Ongoing Formation – Study, prayer, and Catholic learning resources.

• Evangelization & Community – Inviting others, sharing faith.

• Celebration & Sending Forth – Discipleship beyond OCIA.

(Please note: While these 30 sessions provide a clear and helpful overview of the Catholic faith, they are not a substitute for in-person instruction. To fully enter into the life of the Church, it is essential to connect with your local parish, receive guidance from a priest or catechist, and participate in the sacraments as part of your parish community.)


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