Course Overview
Answering Protestantism equips you to understand Protestant beliefs and respond with clarity, charity, and confidence. Learn how Catholic teaching addresses key objections about Scripture, salvation, authority, and the sacraments through Scripture, history, and reason.
Topics covered:
This course focuses on the most important areas of disagreement between Protestantism and Catholicism, emphasizing clarity, accuracy, and charitable engagement. You'll learn about:
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What Is Protestantism?
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Scripture and Authority (Sola Scriptura)
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Salvation and Justification (Sola Fide)
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The Church, Sacraments, and Authority
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Practical Tips for Dialogue with Protestants
Watch a Free Sample Lesson
In this lesson, Trent Horn addresses common Protestant objections to Sacred Tradition, showing that Jesus condemned corrupt human traditions—not the divinely handed-on apostolic Tradition the Church preserves.
Meet your Instructor
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Instructor
Trent Horn
After his conversion to the Catholic faith, Trent Horn earned master’s degrees in the fields of theology, philosophy, and bioethics. He serves as a staff apologist for Catholic Answers, where he specializes in teaching Catholics to graciously and persuasively engage those who disagree with them.
Course Curriculum
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1
Answering Protestantism
- Introduction: Answering Protestantism
- Download the Course Study Guide
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2
Answering Protestantism Lessons 1-5
- Lesson 1: Understanding Sola Scriptura
- Quiz: Understanding Sola Scriptura
- Lesson 2: Arguments for Sola Scriptura
- Quiz: Arguments for Sola Scriptura
- Lesson 3: Sacred Tradition
- Quiz: Sacred Tradition
- Lesson 4: Objections to Sacred Tradition FREE PREVIEW
- Quiz: Objections to Sacred Tradition
- Lesson 5: The New Testament Canon
- Quiz: The New Testament Canon
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3
Answering Protestantism Lessons 6-10
- Lesson 6: The Old Testament Canon Before Christ
- Quiz: The Old Testament Canon Before Christ
- Lesson 7: The Old Testament Canon in the First Century
- Quiz: The Old Testament Canon in the First Century
- Lesson 8: The Old Testament Canon After Christ
- Quiz: The Old Testament Canon After Christ
- Lesson 9: What Is the Church?
- Quiz: What Is the Church?
- Lesson 10: Apostolic Succession
- Quiz: Apostolic Succession
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4
Answering Protestantism Lessons 11-15
- Lesson 11: Understanding the Priesthood
- Quiz: Understanding the Priesthood
- Lesson 12: Arguments for Sola Scriptura
- Quiz: Arguments for Sola Scriptura
- Lesson 13: The Papacy and Scripture
- Quiz: The Papacy and Scripture
- Lesson 14: Objections to the Papacy
- Quiz: Objections to the Papacy
- Lesson 15: Historical Evidence for the Papacy
- Quiz: Historical Evidence for the Papacy
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5
Answering Protestantism Lessons 16-20
- Lesson 16: Papal Infallibility
- Quiz: Papal Infallibility
- Lesson 17: Biblical Evidence for Baptism
- Quiz: Biblical Evidence for Baptism
- Lesson 18: Objections to Baptism
- Quiz: Objections to Baptism
- Lesson 19: Baptism in the Early Church
- Quiz: Baptism in the Early Church
- Lesson 20: Infant Baptism
- Quiz: Infant Baptism
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6
Answering Protestantism Lessons 21-25
- Lesson 21: The Process of Salvation
- Quiz: The Process of Salvation
- Lesson 22: Justification in St. Paul’s Writings
- Quiz: Justification in St. Paul’s Writings
- Lesson 23: Justification in St. James’s Writings
- Quiz: Justification in St. James’s Writings
- Lesson 24: Merit and Salvation
- Quiz: Merit and Salvation
- Lesson 25: Defending the Real Presence
- Quiz: Defending the Real Presence
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7
Answering Protestantism Lessons 26-30
- Lesson 26: One Big Objection to the Eucharist
- Quiz: One Big Objection to the Eucharist
- Lesson 27: Objections to the Real Presence
- Quiz: Objections to the Real Presence
- Lesson 28: The Mass as a Sacrifice
- Quiz: The Mass as a Sacrifice
- Lesson 29: The Doctrine of Eternal Security
- Quiz: The Doctrine of Eternal Security
- Lesson 30: Bible Verses Used to Support Eternal Security
- Quiz: Bible Verses Used to Support Eternal Security
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8
Answering Protestantism Lessons 31-35
- Lesson 31: Biblical Evidence Against Eternal Security
- Quiz: Biblical Evidence Against Eternal Security
- Lesson 32: The Sacrament of Confession
- Quiz: The Sacrament of Confession
- Lesson 33: Understanding Purgatory
- Quiz: Understanding Purgatory
- Lesson 34: Purgatory in the Apostolic and Post-Apostolic Age
- Quiz: Purgatory in the Apostolic and Post-Apostolic Age
- Lesson 35: Objections to Purgatory
- Quiz: Objections to Purgatory
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9
Answering Protestantism Lessons 36-40
- Lesson 36: Understanding Indulgences
- Quiz: Understanding Indulgences
- Lesson 37: Evidence for the Communion of Saints
- Quiz: Evidence for the Communion of Saints
- Lesson 38: Objections to the Communion of Saints
- Quiz: Objections to the Communion of Saints
- Lesson 39: Veneration of Relics
- Quiz: Veneration of Relics
- Lesson 40: Venerating Holy Images
- Quiz: Venerating Holy Images
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10
Answering Protestantism Lessons 41-45
- Lesson 41: Mary, the Mother of God
- Quiz: Mary, the Mother of God
- Lesson 42: The Perpetual Virginity of Mary
- Quiz: The Perpetual Virginity of Mary
- Lesson 43: Immaculate Conception
- Quiz: Immaculate Conception
- Lesson 44: The Assumption of Mary
- Quiz: The Assumption of Mary
- Lesson 45: The Inquisition
- Quiz: The Inquisition
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11
Answering Protestantism Lessons 46-48
- Lesson 46: The Galileo Affair
- Quiz: The Galileo Affair
- Lesson 47: Antichrists and the Whore of Babylon
- Quiz: Antichrists and the Whore of Babylon
- Lesson 48: Paganism and Emperor Constantine
- Quiz: Paganism and Emperor Constantine
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12
Conclusion
- Conclusion: Answering Protestantism
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13
Next Steps
- List of Recommended Reading
- Before you go...
Reviews
Here's what people are saying about Evidence for Catholic Moral Teaching:
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Informative and Beneficial
Sylvia De Jesus
A lot of information was given but in a way that is easy to take in and remember. You learn a lot of basic truths we often take for granted.
A lot of information was given but in a way that is easy to take in and remember. You learn a lot of basic truths we often take for granted.
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Excellent course
Stephen Hertz
Good overview of basic morality explained in a clear and concise style with many illustrative examples.
Good overview of basic morality explained in a clear and concise style with many illustrative examples.
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Ways of doing Apologetics
Paul Watkins
Good basic information for life and living.
Good basic information for life and living.
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Practical, understandable, truthful, powerful
William McCraley
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The Duty to Defend Society
Richard Cordell
Overall, outstanding. I look forward to using the information I gained from this course. I'm fairly confident you've already heard this, but just in case....
Read MoreOverall, outstanding. I look forward to using the information I gained from this course. I'm fairly confident you've already heard this, but just in case... There is no text (Lesson Guide) for this lesson (The Duty to Defend Society). At that point in the course, the video titles (numbering) diverge from the Lesson Guide numbering. In addition, lesson 60 (Religious Liberty) is duplicated at the end (video only). Thank you for all you do.
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Human Identity
Mark Cascia
Trent Horn gives excellent presentations with truth and compassion on the topics of Christian Anthropology, Sex and Gender, Debunking Transgender Ideology an...
Read MoreTrent Horn gives excellent presentations with truth and compassion on the topics of Christian Anthropology, Sex and Gender, Debunking Transgender Ideology and Pastoral Advice for Confronting Transgender Ideology in the section on Human Identity. He gives practical advice on how we can refute transgender ideology when talking to transgender "rights" advocates by framing the discussion around not wanting to lie about people's identity, including their fundamental sexual identity. He emphasizes that people who suffer from gender dysphoria are in need of psychological, psychiatric, and emotional help as with other disorders, and that we should strive to gently correct those who embrace transgender ideology by refuting their arguments with good evidence without demeaning the people who suffer from this affliction.
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Philosophical Foundations of Moral Apologetics
Michael Murnock
For me, this course has been both remarkably organized and powerfully educational.
For me, this course has been both remarkably organized and powerfully educational.
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Abortion Section
Martin Ng
Brilliantly laid out why abortion is wrong in a scientific, moral and theological way with answers to almost every objection to the prolife stance. A must fo...
Read MoreBrilliantly laid out why abortion is wrong in a scientific, moral and theological way with answers to almost every objection to the prolife stance. A must for all Catholics and those who are prolife.
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