Bisbee Theologica explores theology, philosophy, and Catholic thought with clarity and conviction. Each episode is based directly on essays from IsaacBisbee.com, crafted not to divide, but to clarify, to challenge, and to build bridges
Drawing from the intellectual tradition of the Church, it challenges shallow modern assumptions and invites deeper reflection on truth, morality, and salvation.
At its heart, this podcast is an invitation — for Catholics, Protestants, agnostics, and seekers alike — to think deeply, question assumptions, and honestly ask: Why do I believe what I believe?
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In this episode, Isaac reflects on his first year in the Catholic Church. Moving beyond the initial intensity, he explores the reality of grace through the sacramental life—confession, the Eucharist, and the steady work of returning.
Visit IsaacBisbee.com (http://IsaacBisbee.com) to read the full article and explore more content on Catholic theology and philosophy.
This is a public episode. If you would like to discuss this with other subscribers or get access to bonus episodes, visit bisbeetheologica.substack.com (https://bisbeetheologica.substack.com?utm_medium=podcast&utm_campaign=CTA_1)
18 Oct 2025
Episode #12: Did Catholics Add Books to the Bible?
Catholics and Protestants have different Old Testaments, but WHY? The history is complex and revealing...
Visit IsaacBisbee.com to read the article and explore more content on theology, history, and philosophy.
This is a public episode. If you would like to discuss this with other subscribers or get access to bonus episodes, visit bisbeetheologica.substack.com (https://bisbeetheologica.substack.com?utm_medium=podcast&utm_campaign=CTA_1)
11 Oct 2025
Episode #11: What is The Mass?
What is the Catholic Mass? To outsiders, Catholic worship services seem strange, overly rigid, and too “traditional”. In this episode, Isaac breaks down the core of the Mass. By revealing the Liturgy of the Word and Liturgy of the Eucharist, the Mass is the center of Christian life.
Visit IsaacBisbee.com to read the full article and explore more content on Catholic theology and philosophy.
This is a public episode. If you would like to discuss this with other subscribers or get access to bonus episodes, visit bisbeetheologica.substack.com (https://bisbeetheologica.substack.com?utm_medium=podcast&utm_campaign=CTA_1)
6 Aug 2025
Episode #10: Evangelicalism: Part 2
What is the culture of Evangelicalism—and how did it get this way?In Part Two of his Evangelicalism series, Isaac turns from theology to culture, tracing how Evangelicalism’s rejection of tradition led to spiritual isolation, fragmentation, and deeply ingrained habits of fear. From church structure to purity culture, from cultural suspicion to interfaith hostility, this episode examines the unintended consequences of a faith built not on confession—but on reaction.
Visit IsaacBisbee.com (https://isaacbisbee.com) to read the full article and explore more content on theology, Church history, and Catholic philosophy.
This is a public episode. If you would like to discuss this with other subscribers or get access to bonus episodes, visit bisbeetheologica.substack.com (https://bisbeetheologica.substack.com?utm_medium=podcast&utm_campaign=CTA_1)
29 Jul 2025
Episode #9: Evangelicalism Part: 1
What even is Evangelicalism? Is it Protestant? Is it historical? In this first installment, Isaac exposes how modern Evangelicalism has severed itself from the Church it claims to continue. Drawing on Church history, Reformation theology, and sacramental logic, he argues that Evangelicalism isn’t just a splinter—it’s a theological rupture.
Visit IsaacBisbee.com to read the full article and explore more content on theology, Church history, and Catholic philosophy.
This is a public episode. If you would like to discuss this with other subscribers or get access to bonus episodes, visit bisbeetheologica.substack.com (https://bisbeetheologica.substack.com?utm_medium=podcast&utm_campaign=CTA_1)
6 Jun 2025
Episode #8: The Eucharist Part 2
Building on Part 1’s covenantal framework, this second installment turns to the early Church: What did the first Christians actually believe? With firsthand testimony from Ignatius of Antioch, Justin Martyr, and Irenaeus of Lyons, Isaac reveals a staggering truth—Real Presence wasn’t a medieval invention. It was the faith of the earliest believers. From the Apostles to the Church Fathers, the Eucharist was always Christ Himself—offered, received, and worshiped.
Visit IsaacBisbee.com (https://isaacbisbee.com) to read the full article and explore more content on theology, Church history, and Catholic philosophy.
This is a public episode. If you would like to discuss this with other subscribers or get access to bonus episodes, visit bisbeetheologica.substack.com (https://bisbeetheologica.substack.com?utm_medium=podcast&utm_campaign=CTA_1)
1 Jun 2025
Episode #7: The Eucharist Part 1
In this episode, Isaac Bisbee takes a fresh look at the most central—but most contested—aspect of Catholic worship: the Eucharist. This isn’t just a debate over symbols or rituals. It’s about the logic of the covenant, the pattern of sacrifice, and the God who chose to feed His people with Himself. Drawing from Scripture, Temple typology, and the Last Supper, Isaac uncovers the staggering claim at the heart of the Mass: the Eucharist is not just a memorial—it’s the New Passover.Visit IsaacBisbee.com to read the full article and explore more content on theology, Church history, and Catholic philosophy.
This is a public episode. If you would like to discuss this with other subscribers or get access to bonus episodes, visit bisbeetheologica.substack.com (https://bisbeetheologica.substack.com?utm_medium=podcast&utm_campaign=CTA_1)
24 May 2025
Episode #6: The Case For The Papacy
In this episode, Isaac Bisbee explores one of the most controversial and misunderstood roles in Christian history: The Papacy. Drawing from Scripture, covenant theology, and the witness of the early Church, this episode reframes the Pope not as a medieval monarch, but as the royal steward of Christ’s kingdom. From Peter’s keys to Jerome’s submission, Isaac traces six reasons the Church still needs the Roman bishop—and why the papacy is not a corruption of Christianity, but its structural fulfillment.Visit IsaacBisbee.com to read the full article and explore more content on theology, Church history, and Catholic philosophy.
This is a public episode. If you would like to discuss this with other subscribers or get access to bonus episodes, visit bisbeetheologica.substack.com (https://bisbeetheologica.substack.com?utm_medium=podcast&utm_campaign=CTA_1)
16 May 2025
Episode #5: What is the Soul?
In this episode, Isaac Bisbee tackles one of the most misunderstood concepts in modern spirituality: the soul. Drawing from Thomistic metaphysics, Scripture, and a blend of Neoplatonic and Catholic thought, this episode explores what the soul really is—and what it means to be human. Far from being a ghost in a machine or a spark trapped in flesh, the soul is the divine idea of you—eternally known, and destined for resurrection.
Visit IsaacBisbee.com to read the full article and explore more content on theology, Church history, and Catholic philosophy.
This is a public episode. If you would like to discuss this with other subscribers or get access to bonus episodes, visit bisbeetheologica.substack.com (https://bisbeetheologica.substack.com?utm_medium=podcast&utm_campaign=CTA_1)
3 May 2025
Episode #4: Why Are Catholics Obsessed With Mary?
In this episode, Isaac Bisbee explores why Catholics speak so often—and so highly—of Mary. Far from being a distraction from Christ, her role in salvation history reveals the depth of what God came to restore. Drawing from Scripture, Church tradition, and biblical typology, this episode unpacks Mary's identity as the New Ark, the New Eve, and the Queen Mother—showing how her life reflects the fullness of redeemed humanity.
Visit IsaacBisbee.com to read the full article and explore more content on theology, Church history, and Catholic philosophy.
This is a public episode. If you would like to discuss this with other subscribers or get access to bonus episodes, visit bisbeetheologica.substack.com (https://bisbeetheologica.substack.com?utm_medium=podcast&utm_campaign=CTA_1)
2 May 2025
Episode #3: Why I Became Catholic: My Personal Testimony
In this testimony episode, Isaac Bisbee shares the journey that led him from committed Protestantism to the Catholic Church. Drawing from personal experience, study of Church history, and deep theological reflection, he explains why the Catholic faith offered answers that Protestantism could not — especially around unity, authority, and tradition. This episode invites listeners to examine their own assumptions and seek the fullness of Christian truth.
Visit IsaacBisbee.com (https://IsaacBisbee.com) to read the full article and access more content on truth, theology, and Catholic philosophy.
This is a public episode. If you would like to discuss this with other subscribers or get access to bonus episodes, visit bisbeetheologica.substack.com (https://bisbeetheologica.substack.com?utm_medium=podcast&utm_campaign=CTA_1)
17 Apr 2025
Episode #2: Salvation Series Part 2: Restoration & Obedience
In Part 2 of the Salvation Series, Isaac Bisbee unpacks the Catholic understanding of faith, grace, and obedience — not as opposing ideas, but as essential elements of salvation. This episode explores how restoration through Christ requires more than belief alone, and why obedience plays a vital role in the Catholic vision of being truly made whole.
Visit IsaacBisbee.com (https://www.isaacbisbee.com) to read the full article and access more content on truth, theology, and Catholic philosophy.
17 Apr 2025
Episode #1: Salvation Series Part 1: What Protestants Get Wrong
In this opening episode of the Salvation Series, Isaac Bisbee explores the doctrine of Penal Substitution — a central belief in many Protestant traditions — and explains why it fails both biblically and theologically. This deep-dive challenges common assumptions and lays the groundwork for a fuller, more coherent understanding of salvation.
Visit IsaacBisbee.com (https://www.isaacbisbee.com) to read the full article and explore more reflections on theology, reason, and truth.
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