| 2019 | Within Reason #6, "Utilitarianism and Animals" | Alex O'Connor with Peter Singer | 1 |
| 2023 | Within Reason #31, "The Limits Of Utilitarianism" | Alex O'Connor with Peter Singer | 1 |
| 2024 | Lives Well Lived #2, “Evaluating the Human Condition” | Peter Singer, Katarzyna de Lazari-Radek & Daniel Kahneman | 1 |
| 2024 | Lives Well Lived #3, “The End of Suffering” | Peter Singer, Katarzyna de Lazari-Radek & Ingrid Newkirk | 1 |
| 2024 | Lives Well Lived #4, “Knowing the Truth About Yourself” | Peter Singer, Katarzyna de Lazari-Radek & Yuval Noah Harari | 1 |
| 2024 | Lives Well Lived #5, “The Life of an Artist” | Peter Singer, Katarzyna de Lazari-Radek & Judy Collins | 1 |
| 2024 | Lives Well Lived #6, “The Limitations of Human Perception” | Peter Singer, Katarzyna de Lazari-Radek & Neil deGrasse Tyson | 1 |
| 2024 | Lives Well Lived #7, “Recognising the Animal as an Individual” | Peter Singer, Katarzyna de Lazari-Radek & Jane Goodall | 1 |
| 2024 | Lives Well Lived #8, “Navigating Moral Realism” | Peter Singer, Katarzyna de Lazari-Radek & Robert Wright | 1 |
| 2024 | Lives Well Lived #9, “Turning Compassion Into Action” | Peter Singer, Katarzyna de Lazari-Radek & Kate Grant | 1 |
| 2024 | Lives Well Lived #10, “Self-Discipline and Contribution” | Peter Singer, Katarzyna de Lazari-Radek & Dui Toledo | 1 |
| 2024 | Lives Well Lived #11, “The Future of Humanity” | Peter Singer, Katarzyna de Lazari-Radek & Tyler Cowen | 1 |
| 2024 | Lives Well Lived #12, “The Fearless Advocate” | Peter Singer, Katarzyna de Lazari-Radek & Frances Kissling | 1 |
| 2024 | Lives Well Lived #13, “The Perspective of Happiness” | Peter Singer, Katarzyna de Lazari-Radek & Matthieu Ricard | 1 |
| 2024 | Lives Well Lived #14, “Experimenting With Life” | Peter Singer, Katarzyna de Lazari-Radek & A. J. Jacobs | 1 |
| 2024 | Lives Well Lived #15, “Moral Psychology in a Modern World” | Peter Singer, Katarzyna de Lazari-Radek & Jonathan Haidt | 1 |
| 2024 | Lives Well Lived #16, “Living Well to 100” | Peter Singer, Katarzyna de Lazari-Radek & Ximena Abogabir | 1 |
| 2024 | Lives Well Lived #17, “The Role of Reason in Moral Judgements” | Peter Singer, Katarzyna de Lazari-Radek & Paul Bloom | 1 |
| 2024 | Lives Well Lived #18, “The Illusion of Consciousness and Free Will” | Peter Singer, Katarzyna de Lazari-Radek & Sam Harris | 1 |
| 2024 | Lives Well Lived #19, “The Complexity of Mental Illness” | Peter Singer, Katarzyna de Lazari-Radek & Murali Doraiswamy | 1 |
| 2024 | Lives Well Lived #20, “The Power of the Brain” | Peter Singer, Katarzyna de Lazari-Radek & Lisa Feldman Barrett | 1 |
| 2024 | Lives Well Lived #21, “Reflections on Life and Art” | Peter Singer, Katarzyna de Lazari-Radek & Joyce Carol Oates | 1 |
| 2024 | Lives Well Lived #22, “The Road to Effective Altruism” | Peter Singer, Katarzyna de Lazari-Radek & Charlie Bresler | 1 |
| 2025 | Lives Well Lived, Series 2, #1, “Rational Optimism in a Complex World” | Peter Singer, Katarzyna de Lazari-Radek & Steven Pinker | 1 |
| 2025 | Lives Well Lived, Series 2, #2, “From Trauma to Triumph” | Peter Singer, Katarzyna de Lazari-Radek & Edith Eger | 1 |
| 2025 | Lives Well Lived, Series 2, #3, “The Magic of Learning” | Peter Singer, Katarzyna de Lazari-Radek & Adam Grant | 1 |
| 2025 | Lives Well Lived, Series 2, #4, “The Fight Against FGM” | Peter Singer, Katarzyna de Lazari-Radek & Kakenya Ntaiya | 1 |
| 2025 | Lives Well Lived, Series 2, #5, “The Science of Wellbeing” | Peter Singer, Katarzyna de Lazari-Radek & Richard Layard | 1 |
| 2025 | Lives Well Lived, Series 2, #6, “The Path to Punk Rock Activism” | Peter Singer, Katarzyna de Lazari-Radek & Moby | 1 |
| 2025 | Lives Well Lived, Series 2, #8, “The Movement to Educate Girls” | Peter Singer, Katarzyna de Lazari-Radek & Safeena Husain | 1 |
| 2025 | Lives Well Lived, Series 2, #9, “Biological Determinism” | Peter Singer, Katarzyna de Lazari-Radek & Robert Sapolsky | 1 |
| 2025 | Lives Well Lived, Series 2, #10, “The Dopamine Dilemma” | Peter Singer, Katarzyna de Lazari-Radek & Anna Lembke | 1 |
| 2025 | Lives Well Lived, Series 2, #11, “Insights on Happiness” | Peter Singer, Katarzyna de Lazari-Radek & Michael Plant | 1 |
| 2025 | Lives Well Lived, Series 2, #12, “The Mystery of Life” | Peter Singer, Katarzyna de Lazari-Radek & David Duchovny | 1 |
| 2025 | Lives Well Lived, Series 2, #13, “Optimising Morality” | Peter Singer, Katarzyna de Lazari-Radek & Sigal Samuel | 1 |
| 2025 | Lives Well Lived, Series 2, #14, “Understanding Consciousness” | Peter Singer, Katarzyna de Lazari-Radek & António Damásio | 1 |
| 2025 | Lives Well Lived, Series 2, #15, “The Pillars of Happiness” | Peter Singer, Katarzyna de Lazari-Radek & Arthur C. Brooks | 1 |
| 2025 | Lives Well Lived, Series 2, #16, “The Mind and the Universe” | Peter Singer, Katarzyna de Lazari-Radek & Thomas Nagel | 1 |
| 2025 | Lives Well Lived, Series 2, #17, “The Minority Body and the Ethics of Disability” | Peter Singer, Katarzyna de Lazari-Radek & Elizabeth Barnes | 1 |
| 2025 | Lives Well Lived, Series 2, #18, “The Pursuit of Moral Ambition” | Peter Singer, Katarzyna de Lazari-Radek & Rutger Bregman | 1 |
| 2025 | Lives Well Lived, Series 2, #19, “Our Cosmic Significance in an Indifferent Universe” | Peter Singer, Katarzyna de Lazari-Radek & Lawrence Krauss | 1 |
| 2025 | Lives Well Lived, Series 2, #20, “The Nudge Towards a Better Future” | Peter Singer, Katarzyna de Lazari-Radek & Cass Sunstein | 1 |
| 2025 | Lives Well Lived, Series 2, #21, “Unleashed” | Peter Singer, Katarzyna de Lazari-Radek & Slavoj Žižek | 1 |
| 2025 | Lives Well Lived, Series 2, #22, “From Homelessness to Angel Investor” | Peter Singer, Katarzyna de Lazari-Radek & Cyan Banister | 1 |
| 2025 | Lives Well Lived, Series 2, #23, “Uniting Moral Tribes” | Peter Singer, Katarzyna de Lazari-Radek & Joshua Greene | 1 |
| 2025 | Lives Well Lived, Series 2, #24, “The Optimism Bias” | Peter Singer, Katarzyna de Lazari-Radek & Tali Sharot | 1 |
| 2025 | Lives Well Lived, Series 2, #25, “Artistic Integrity & Cancellation” | Peter Singer, Katarzyna de Lazari-Radek & Meg Smaker | 1 |
| 2025 | Lives Well Lived, Series 2, #26, “The Depopulation of Humanity” | Peter Singer, Katarzyna de Lazari-Radek & Dean Spears | 1 |
| 2025 | Lives Well Lived, Series 2, #27, “Pandemics & Politics” | Peter Singer, Katarzyna de Lazari-Radek & Dasho Dechen Wangmo | 1 |
| 2025 | Lives Well Lived, Series 2, #28, “The Legal Challenges of Animal Liberation” | Peter Singer, Katarzyna de Lazari-Radek & Wayne Hsiung | 1 |
| 2025 | Lives Well Lived, Series 2, #29, “Question Everything” | Peter Singer, Katarzyna de Lazari-Radek & Ellen Langer | 1 |
| 2025 | Lives Well Lived, Series 3, #1, “The Evolution of Love” | Peter Singer, Katarzyna de Lazari-Radek & Anna Machin | 1 |
| 2025 | Lives Well Lived, Series 3, #2, “From Rebellion to Reverence” | Peter Singer, Katarzyna de Lazari-Radek & Stephen Fry | 1 |
| 2025 | Lives Well Lived, Series 3, #3, “The Intersection of Philosophy & Justice” | Peter Singer, Katarzyna de Lazari-Radek & Martha Nussbaum | 1 |
| 2025 | Lives Well Lived, Series 3, #4, “Champion of Humanity” | Peter Singer, Katarzyna de Lazari-Radek & Barry Jones | 1 |
| 2025 | Lives Well Lived, Series 3, #5, “Recognising the Animal as an Individual” | Peter Singer, Katarzyna de Lazari-Radek & Jane Goodall | 1 |
| 2025 | Lives Well Lived, Series 3, #6, “Challenging Human Exceptionalism” | Peter Singer, Katarzyna de Lazari-Radek & Christine Webb | 1 |
| 2025 | Lives Well Lived, Series 3, #7, “Working to Make the World a Better Place” | Peter Singer, Katarzyna de Lazari-Radek, Julia van Boven & Sjir Hoeijmakers | 1 |
| 2025 | Lives Well Lived, Series 3, #8, “We Can Be Brave” | Peter Singer, Katarzyna de Lazari-Radek & Mariann Budde | 1 |
| 2025 | Lives Well Lived, Series 3, #9, “Predicting Happiness” | Peter Singer, Katarzyna de Lazari-Radek & Daniel Gilbert | 1 |
| 2025 | Lives Well Lived, Series 3, #10, “Small Bits of Happiness” | Peter Singer, Katarzyna de Lazari-Radek, Mercedes Korngut & Anastasia Korngut | 1 |
| 2025 | Lives Well Lived, Series 3, #11, “Transformation Through Philosophy” | Peter Singer, Katarzyna de Lazari-Radek & Stephen West | 1 |
| 2025 | Lives Well Lived, Series 3, #12, “The Evolution of Friendliness” | Peter Singer, Katarzyna de Lazari-Radek, Brian Hare & Vanessa Woods | 1 |
| 2025 | Lives Well Lived, Series 3, #13, “The Art of Stoic Empathy” | Peter Singer, Katarzyna de Lazari-Radek & Shermin Kruse | 1 |
| 2025 | Lives Well Lived, Series 3, #14, “Moral Melodies” | Peter Singer, Katarzyna de Lazari-Radek & Tim Minchin | 1 |
| 2025 | Lives Well Lived, Series 3, #15, “Beyond the Sound of Silence” | Peter Singer, Katarzyna de Lazari-Radek & Paul Simon | 1 |
| 2025 | Lives Well Lived, Series 3, #16, “The Politics of Food” | Peter Singer, Katarzyna de Lazari-Radek & Marion Nestle | 1 |
