# Closer to Truth

Closer to Truth is a television series on public television originally created, produced, and hosted by Robert Lawrence Kuhn. The original series aired in 2000 for two seasons, followed by a second series aired in 2003 for a single season. The third series of the program, Closer to Truth: Cosmos. Consciousness. Meaning., launched in 2008, with 22 seasons to date. Closer to Truth airs on over 200 PBS and public television stations and has had over 200,000 station broadcasts.
The show is centered on on-camera conversations with leading scientists, philosophers, theologians, and scholars, covering a diverse range of topics or questions, from the cause, size and nature of the universe (or multiverse), to the mystery of consciousness and the notion of free will, to the existence and essence of God, to the mystery of existence (i.e., why there is anything at all).
Robert Lawrence Kuhn is the creator, executive producer, writer, and presenter of the series. Peter Getzels is the co-creator, producer, and director.

## Episode list

The third series of the program, Closer to Truth: Cosmos. Consciousness. Meaning. launched in 2008, with 22 full seasons to date. Kuhn is the creator, executive producer, writer and presenter of the series. Peter Getzels is the co-creator and producer / director.
The show is centered on on-camera conversations with leading scientists, philosophers, theologians, and scholars, covering a diverse range of topics or questions from the size and nature of the universe (or multiverse), to the existence and essence of God, to the mystery of consciousness and the notion of free will.

### Season 22 (2023)

| No. in Series | No. in Season | Episode Title | Featured Guest / Contributor |
| 271 | 1 | "Why is Mathematics True & Beautiful?" | Robbert Dijkgraaf, Edward Witten, Max Tegmark, Sabine Hossenfelder, Jim Holt |
| 272 | 2 | "Is Mathematical Truth & Beauty Intrinsic or Imposed?" | Paul Davies, Gregory Chaitin, David Chalmers, Michio Kaku, Licia Verde, David Wallace, Leonard Mlodinow |
| 273 | 3 | "Why the 'Unreasonable Effectiveness' of Mathematics?" | Robbert Dijkgraaf, Edward Witten, Sabine Hossenfelder, Leonard Mlodinow, Max Tegmark |
| 274 | 4 | "What does the 'Unreasonable Effectiveness' of Mathematics Mean?" | Michio Kaku, David Wallace, Michael Hopkins, Stuart Kauffman, Jim Holt, Paul Davies |
| 275 | 5 | "What are Breakthroughs in Mathematics?" | Karen Uhlenbeck, Edward Witten, Michael Hopkins, Ivan Corwin, Gregory Chaitin, Paul Davies |
| 276 | 6 | "What's the Deep Meaning of Probability?" | Ivan Corwin, Licia Verde, Sabine Hossenfelder, David Wallace, Aaron Clauset |
| 277 | 7 | "Why do Power Laws Work so Widely?" | Geoffrey West, Stuart Kauffman, Aaron Clauset |
| 278 | 8 | "Can Mathematics Explain Biology?" | Leon Glass, Martin Nowak, Geoffrey West, Paul Davies, Robbert Dijkgraaf |
| 279 | 9 | "Can Mathematics Elucidate Evolution?" | Paul Davies, Aaron Clauset, Martin Nowak, Stuart Kauffman |
| 280 | 10 | "Roger Penrose: Math, Black Holes, Consciousness" | Roger Penrose, Stuart Hameroff |

### Season 21 (2022)

| No. in Series | No. in Season | Episode Title | Featured Guest / Contributor |
| 258 | 1 | "Freeman Dyson, Part I: From Physics to the Far Future" | Freeman Dyson |
| 259 | 2 | "Freeman Dyson, Part II: Mind, God, Religion" | Freeman Dyson |
| 260 | 3 | "What are Scientific Breakthroughs in Physics?" | Sabine Hossenfelder, Leonard Mlodinow, Edward Witten, Karen Uhlenbeck, Robbert Dijkgraaf |
| 261 | 4 | "What are Scientific Breakthroughs in Biology?" | Geoffrey West, Michio Kaku, Stuart Kauffman, Antonio Damasio, V. S. Ramachandran |
| 262 | 5 | "What is Philosophy of Scientific Breakthroughs?" | Paul Davies, David Chalmers, David Wallace, Jim Holt, John Horgan |
| 263 | 6 | "How do Breakthroughs Happen in Physics?" | Robbert Dijkgraaf, Karen Uhlenbeck, Edward Witten, Gregory Chaitin |
| 264 | 7 | "What is Philosophy of the Breakthrough Process?" | Jim Holt, John Horgan, Michio Kaku, David Wallace, David Chalmers |
| 265 | 8 | "How Do Breakthroughs Happen in Biology?" | Paul Davies, V. S. Ramachandran, Antonio Damasio, Leon Glass, Daniel Chamovitz |
| 266 | 9 | "How to Decipher Deception in Evolution?" | Robert Trivers, Max Tegmark, Jennifer Mather, Daniel Chamovitz |
| 267 | 10 | "How Does Deception Affect Human Behavior?" | Joshua Greene, V. S. Ramachandran, Max Tegmark, Robert Trivers |
| 268 | 11 | "How Do Human Brains Experience Music?" | John Iversen, Mark Tramo, Elizabeth Margulis, Diana Deutsch |
| 269 | 12 | "Can Music Probe Human Mentality?" | Diana Deutsch, Suzanne Hanser, John Iversen, Elizabeth Margulis |
| 270 | 13 | "What Would Transhuman Brains Mean?" | Michio Kaku, Leonard Mlodinow, David Chalmers, Antonio Damasio, V. S. Ramachandran |

### Season 20 (2020)

| No. in Series | No. in Season | Episode Title | Featured Guest / Contributor |
| 248 | 1 | "Art Seeking Understanding I: Foundations" | Justin Barrett, Christopher R. Brewer, David Brown, Anjan Chatterjee, Matthew Milliner, Simone Schnall, W. Christopher Stewart |
| 249 | 2 | "What is Philosophy of Art?" | Gordon Graham, Nicholas Wolterstorff, E. Thomas Lawson, Jean-Luc Jucker, Anjan Chatterjee, Stephan van Erp, Nathan A. Jacobs |
| 250 | 3 | "Can the Brain Explain Art?" | Anjan Chatterjee, Semir Zeki, V.S. Ramachandran, Raymond Tallis, Antonio Damasio |
| 251 | 4 | "Can Art Clarify the Mind-Body Problem?" | Rebecca Newberger Goldstein, W. Christopher Stewart, Gordon Graham, Nathan A. Jacobs, Anjan Chatterjee, Raymond Tallis |
| 252 | 5 | "Can Art Engage Philosophy of Religion?" | W. Christopher Stewart, Nicholas Wolterstorff, E. Thomas Lawson, Nathan A. Jacobs, Stephan van Erp, David Brown |
| 253 | 6 | "Can Art Reveal God's Traits?" | Nicholas Wolterstorff, Gordon Graham, Matthew Milliner, Jonathan Anderson, David Brown |
| 254 | 7 | "Can Art and Knowledge Enhance Each Other?" | Gordon Graham, David Brown, Jonathan Anderson, Nicholas Wolterstorff, Nathan A. Jacobs |
| 255 | 8 | "Did Art and Religion Co-Evolve?" | Justin Barrett, Pascal Boyer, Simone Schnall], E. Thomas Lawson |
| 256 | 9 | "Can Art Probe Creativity?" | Aaron Rosen, Antonius Roberts, Alfonse Borysewicz, Murray Watts, Carl Plantinga |
| 257 | 10 | "Art Seeking Understanding II: Meaning" | Christopher R. Brewer, Justin Barrett, Jonathan Anderson, Judith Wolfe, David Brown, W. Christopher Stewart |

### Season 19 (2019)

| No. in Series | No. in Season | Episode Title | Featured Guest / Contributor |
| 235 | 1 | "What is Philosophy of Cosmology?" | Barry Loewer, Mario Livio, George Ellis, David Albert |
| 236 | 2 | "What is Fine Tuning in Cosmology?" | Geraint Lewis, Luke Barnes, Avi Loeb, Fred Adams, Joseph Silk |
| 237 | 3 | "What is Fine-Tuning in Physics?" | Bernard Carr, Luke Barnes, Avi Loeb, George Ellis |
| 238 | 4 | "Is the Anthropic Principle Significant?" | Bernard Carr, Pedro Ferreira, Avi Loeb, John Peacock, Luke Barnes |
| 239 | 5 | "What is Strong Emergence?" | George Ellis, David Albert, Barry Loewer, Tim Maudlin |
| 240 | 6 | "What Exists II?" | Barry Loewer, David Albert, Luke Barnes, Raymond Tallis, George Ellis |
| 241 | 7 | "Why Anything At All II?" | Tim Maudlin, Mario Livio, George Ellis, David Bentley Hart |
| 242 | 8 | "Epistemology: How Can We Know God?" | Robert Audi, Meghan Sullivan, David Bentley Hart, Menachem Fisch, Bas C. van Fraassen |
| 243 | 9 | "Jesus as God: A Philosophical Inquiry" | Sarah Coakley, N.T. Wright, Oliver Crisp, Eleonore Stump, C. Stephen Evans, Ian McFarland |
| 244 | 10 | "What is the Trinity: A Philosophical Inquiry" | Peter van Inwagen, Oliver Crisp, Michael Rea, Brian Leftow, Richard Swinburne |
| 245 | 11 | "What is the Incarnation: A Philosophical Inquiry" | Richard Swinburne, Ian McFarland. Timothy Pawl, N.T. Wright, John Hick |
| 246 | 12 | "What is the Atonement: A Philosophical Inquiry" | Eleonore Stump, Alan Torrance, Oliver Crisp, Richard Swinburne, N.T. Wright |
| 247 | 13 | "What is Salvation: A Philosophical Inquiry" | Oliver Crisp, Eleonore Stump, Alan Torrance, N.T. Wright |

### Season 18 (2017–2018)

| No. in Series | No. in Season | Episode Title | Featured Guest / Contributor |
| 222 | 1 | "The Multiverse: What's Real?" | Max Tegmark, Laura Mersini-Houghton, Paul Davies, Andreas Albrecht, Alan H. Guth, Anthony Aguirre, Carlo Rovelli |
| 223 | 2 | "Critical Realism in Science and Religion" | Ernan McMullin, Bas C. van Fraassen, Paul Allen, Michael Ruse, Francisco J. Ayala, J. Matthew Ashley |
| 224 | 3 | "Why Consonance in Science and Religion?" | Andrew Pinsent, Francisco J. Ayala, Menachem Fisch, Tom McLeish, Michael Ruse |
| 225 | 4 | "Does Consciousness Require a Radical Explanation?" | Giulio Tononi, David Chalmers, Sean Carroll, Max Tegmark, David Wallace, Bernard Carr, Paul Davies |
| 226 | 5 | "Cosmology and Creation" | Stephen Barr, David Bentley Hart, Nancey Murphy, Tom McLeish, Andrew Pinsent |
| 227 | 6 | "What is Philosophy of Biology?" | Michael Ruse, Francisco J. Ayala, Celia Deane-Drummond, Louis Caruana |
| 228 | 7 | "Epistemology: How Do I Know?" | Robert Audi, Meghan Sullivan, Bas C. van Fraassen, Louis Caruana, David Bentley Hart |
| 229 | 8 | "What is Analytic Theology?" | Oliver Crisp, Sarah Coakley, Michael Rea |
| 230 | 9 | "Being in the World: A Tribute to Hubert Dreyfus" | Hubert L. Dreyfus |
| 231 | 10 | "If God, What's Evolution?" | Michael Ruse, Nancey Murphy, Celia Deane-Drummond, Francisco J. Ayala, Michael Murray |
| 232 | 11 | "What is Extended Mind?" | David Chalmers, Andy Clark, Raymond Tallis |
| 233 | 12 | "God's Sovereignty: A Tribute to Hugh McCann" | Hugh McCann |
| 234 | 13 | "Challenges of Analytic Theology" | Alan Torrance, N.T. Wright, Eleonore Stump, Michael Murray |

### Season 17 (2017)

| No. in Series | No. in Season | Episode Title | Featured Guest / Contributor |
| 209 | 1 | "Death Disrupted?" | Julian Baggini, Max More, Sam Parnia, J. L. Schellenberg |
| 210 | 2 | "How Does Faith Work?" | Alister McGrath, Gregory Ganselle, J. L. Schellenberg, Edward Wierenga |
| 211 | 3 | "How the Subconscious Affects Us" | David Eagleman, Elizabeth Loftus, Nicholas Humphrey, Patrick McNamara, Julia Mossbridge |
| 212 | 4 | "Can Metaphysics Discern God I?" | Brian Leftow, John Hawthorne, Robert Spitzer, John Cottingham, Timothy O'Connor |
| 213 | 5 | "Can Metaphysics Discern God II?" | Richard Swinburne, Yujin Nagasawa, Michael Almeida, J. L. Schellenberg, Peter Van Inwagen |
| 214 | 6 | "What Is God's Own Being?" | Richard Swinburne, Robert Spitzer, Varadaraja V. Raman, Neil Gillman |
| 215 | 7 | "Huston Smith: Tribute to a Religious Visionary" | Huston Smith |
| 216 | 8 | "Observing Quanta, Observing Nature?" | Max Tegmark, Anthony Aguirre, David Wallace, Sean M. Carroll, Seth Lloyd, David Chalmers, Paul Davies, Alan Guth, Bernard Carr |
| 217 | 9 | "Why Philosophy of Physics & Cosmology?" | David Wallace, Sean M. Carroll, James Hartle, Carlo Rovelli |
| 218 | 10 | "What Exists?" | Sean M. Carroll, David Wallace, David Chalmers, Don Page |
| 219 | 11 | "To Seek Cosmic Origins" | Alan Guth, Andreas Albrecht, Laura Mersini-Houghton, Don Page, James Hartle |
| 220 | 12 | "Is the Universe Theologically Ambiguous?" | Andrew Briggs, Carlo Rovelli, Don Page, Paul Davies |
| 221 | 13 | "Science and the Future of Humanity" | Max Tegmark, Seth Lloyd, Anthony Aguirre, Paul Davies |

### Season 16 (2016)

| No. in Series | No. in Season | Episode Title | Featured Guest / Contributor |
| 196 | 1 | "When Brains Go Bad?" | Barry Smith, Donald D. Hoffman, Susan Greenfield, Christopher Evans, Deirdre Barrett |
| 197 | 2 | "What Is the Doomsday Argument?" | John Leslie, J. Richard Gott III, Nick Bostrom, Martin Rees |
| 198 | 3 | "How Could God Make Miracles?" | Paul Fiddes, Hugh McCann, William A. Dembski, Rodney Holder, Keith Ward |
| 199 | 4 | "How Do Consciousness and Language Relate?" | John Searle, Rebecca Newberger Goldstein, Ned Block, Barry Smith, Colin Blakemore |
| 200 | 5 | "Can God and Science Mix?" | Willem B. Drees, J. Richard Gott III, David Finkelstein, Rodolfo Llinás, Don Page |
| 201 | 6 | "Religious Faith: Rational or Rationalization?" | John Cottingham, John Bishop, Julian Baggini, Jeff Schloss |
| 202 | 7 | "Can Brain Alone Explain Consciousness?" | John Searle, David Chalmers |
| 203 | 8 | "Can Enlarged Materialism Explain Consciousness?" | Colin McGinn, Dean Radin, Anirban Bandyopadhyay, Ken Mogi |
| 204 | 9 | "Does Consciousness Defeat Materialism" | Ned Block, Rodney Brooks, Marilyn Schlitz, William A. Dembski, Eric Schwitzgebel |
| 205 | 10 | "Fallacies in Arguing for God?" | Francis S. Collins, Francisco J. Ayala, Richard Swinburne, J. L. Schellenberg, Michael Shermer |
| 206 | 11 | "What Is Philosophy of Science?" | Simon Blackburn, John Hawthorne, Rebecca Newberger Goldstein, John Searle, Daniel Dennett |
| 207 | 12 | "Does Philosophy Help Science?" | Steven Weinberg, Paul Davies, Colin Blakemore, Scott Aaronson |
| 208 | 13 | "A Tribute to Marvin Minsky" | Marvin Minsky |

### Season 15 (2015)

| No. in Series | No. in Season | Episode Title | Featured Guest / Contributor |
| 183 | 1 | “Does the Cosmos have a Reason?" | Michio Kaku, Alan Guth, Jill Tarter, Douglas Vakoch, Russell Stannard, Frank Wilczek |
| 184 | 2 | “Can the Cosmos have a Reason?" | Alexander Vilenkin, John Polkinghorne, Michael Shermer, Stephen Wolfram, Stuart Kauffman |
| 185 | 3 | “Implications of Cosmology" | Alan Guth, Andrei Linde, George F. Smoot III, Robert Spitzer, Jill Tarter, Douglas Vakoch |
| 186 | 4 | “What Is It About God?" | Peter Van Inwagen, Timothy O'Connor, Keith Ward, John Polkinghorne, Hugh McCann, John Leslie, Robin LePoidevin, Christopher Knight, Robert John Russell |
| 187 | 5 | “Speculating About God?" | Peter Forrest, Hubert L. Dreyfus, Neil N. Gillman, Subhash Kak, J. L. Schellenberg, Michael Tooley |
| 188 | 6 | “How Could God Intervene in the Universe?" | Niels Henrik Gregerson, Dirk Evers, Christopher Southgate, David Shatz, Andrei Buckareff, Edward Wierenga |
| 189 | 7 | “What Could ESP Mean?" | Charles T. Tart, Dean Radin, Bruce Hood, John Hick, Susan Blackmore |
| 190 | 8 | “How Could ESP Work?" | Brian Josephson, Lawrence M. Krauss, Michael Shermer, Charles T. Tart, Dean Radin |
| 191 | 9 | “How to Argue for God?" | Alister McGrath, Russell Stannard, Mahmoud M. Ayoub, Timothy O'Connor, Steven Weinberg |
| 192 | 10 | “Does God Know Everything?" | Edward Wierenga, Peter van Inwagen, Brian Leftow, David Hunt, Yujin Nagasawa |
| 193 | 11 | “What is Causation?" | Simon Blackburn, Richard Swinburne, Robin Le Poidevin, Huw Price, Walter Sinnott-Armstrong |
| 194 | 12 | “Does Dualism Explain Consciousness?" | Yujin Nagasawa, Richard Swinburne, Jaron Lanier, Bede Rundle, Peter Forrest |
| 195 | 13 | "Is Consciousness Ultimate Reality?" | Deepak Chopra, Donald Hoffman, Neil Theise, Fred Alan Wolf, Frank J. Tipler, Charles T. Tart |

### Season 14 (2015)

| No. in Series | No. in Season | Episode Title | Featured Guest / Contributor |
| 170 | 1 | “Can the Mind Heal the Body?" | Deepak Chopra, Rudolph Tanzil, Elissa Epel, Gino Yu, P. Murali Doraiswamy |
| 171 | 2 | “Is God Responsible for Evil" | Dean Zimmerman, Holmes Rolston III, Jesse Couenhoven, John Bishop, Keith Ward |
| 172 | 3 | “What is Information" | Max Tegmark, Paul Davies, Seth Lloyd, Giulio Tononi, Scott Aaronson |
| 173 | 4 | “Can Design Point to God?" | Owen Gingerich, Ernan McMullin, Colin McGinn, Paul Davies |
| 174 | 5 | “What is Truth?" | Simon Blackburn, Raymond Tallis, John Hawthorne, John Hick, Michael Shermer |
| 175 | 6 | “Does Information Create the Cosmos?" | Seth Lloyd, Sean Carroll, Raphael Bousso, Alan Guth, Christof Koch |
| 176 | 7 | “Why Body in a Resurrection?" | Eleonore Stump, Dean Zimmerman, Peter Van Inwagen, Eric Steinhart |
| 177 | 8 | “Must Multiple Universes Exist?" | Alexander Vilenkin, Alan Guth, Raphael Bousso, Max Tegmark, Don Page, Paul Davies |
| 178 | 9 | “Toward a Science of Consciousness?" | Stuart Hameroff, David Chalmers, John Searle, Daniel Dennett, Deepak Chopra, Susan Blackmore, Rebecca Newberger Goldstein |
| 179 | 10 | “Big Questions in Free Will Part 1" | Alfred Mele, Galen Strawson, John Searle, Peter Van Inwagen, Christof Koch, Uri Maoz, Walter Sinnott-Armstrong, Thalia Wheatley, Peter Tse |
| 180 | 11 | “Big Questions in Free Will Part 2" | Bertram Malle, Eddy Nahmias, Roy Baumeister, Patrick Haggard, Adina Roskies, Walter Sinnott-Armstrong, Alfred Mele |
| 181 | 12 | “Can Free Will Survive God's Foreknowledge?" | Dean Zimmerman, David Hunt, Katherin Rogers, Jesse Couenhoven |
| 182 | 13 | "How Can God Not Be Free?" | Michael Almeida, Hugh McCann, Matthews Grant, David Hunt |

### Season 13 (2014)

| No. in Series | No. in Season | Episode Title | Featured Guest / Contributor |
| 157 | 1 | “What is Ultimate Reality?" | Yujin Nagasawa, David Deutsch, Christof Koch, Julian Baggini, Stephen Law |
| 158 | 2 | “What is Consciousness?" | Simon Blackburn, Susan Greenfield, Christof Koch, Bruce Hood, Roy Baumeister |
| 159 | 3 | “Is This God?" | Seyyed Hossein Nasr, Brian Leftow, John Cottingham, Paul Fiddes, Alister McGrath |
| 160 | 4 | “Will the Universe Ever End?" | Michio Kaku, Max Tegmark, Saul Perlmutter, Alan Guth, Ken Olum |
| 161 | 5 | “Can the Divine Be a Person?" | Oliver D. Crisp, John Behr, J. L. Schellenberg, Deepak Chopra, Edward Wierenga |
| 162 | 6 | “Is Death Final?" | Greg Boyd, John Hick, Deepak Chopra, Warren S. Brown, Eric Steinhart |
| 163 | 7 | “What Causes Religious Belief?" | Colin Blakemore, Thalia Wheatley, Justin L. Barrett, Bruce Hood, Elizabeth Loftus, Warren S. Brown, Jared Diamond, J. L. Schellenberg, Stuart Kauffman |
| 164 | 8 | “What Things Are Real?" | John Hawthorne, Chris Isham, Galen Strawson, George Ellis |
| 165 | 9 | “Free Will for Moral Responsibility?" | Alfred Mele, Thalia Wheatley, Patrick Haggard, Roy Baumeister, Walter Sinnott-Armstrong |
| 166 | 10 | “What Can We Learn From Alternative Gods?" | Willem B. Drees, Yujin Nagasawa, Eric Steinhart, John Bishop, J. L. Schellenberg |
| 167 | 11 | “Why God, Not Nothing?" | John Leslie, John Polkinghorne, Peter van Inwagen, Robin Le Poidevin, Robert Spitzer, Menas Kafatos, Deepak Chopra |
| 168 | 12 | “Does God's Knowledge Ruin Free Will?" | Peter van Inwagen, Brian Leftow, Hugh McCann |
| 169 | 13 | "Is God Totally Free?” "What Limits God's Freedom?" | Brian Leftow, Peter van Inwagen, Dean Zimmerman |

### Season 12 (2013)

| No. in Series | No. in Season | Episode Title | Featured Guest / Contributor |
| 144 | 1 | "Did the Universe have a Beginning?" | Anthony Aguirre, Andreas Albrecht, Rodney Holder, Dirk Evers, Leonard Mlodinow |
| 145 | 2 | "How Humans Differ from (Other) Animals" | Colin Blakemore, Barry Smith, Nicholas Humphrey, Jared Diamond, Justin L. Barrett |
| 146 | 3 | "What would it Feel Like to be God?" | Brian Leftow, Keith Ward, John Polkinghorne, Gregory Ganselle, Peter Forrest |
| 147 | 4 | "What's the New Atheism?" | Michael Shermer, Alister McGrath, Lawrence Krauss, Keith Ward, A. C. Grayling |
| 148 | 5 | "How does Personal Identity Persist through Time?" | Simon Blackburn, Stephen Law, Richard Swinburne, Joseph LeDoux, Bob Bilder, Roger Walsh |
| 149 | 6 | "Can Philosophy of Religion Find God?" | Alvin Plantinga, Eleonore Stump, Seyyed Hossein Nasr, David Shatz, Michael Tooley |
| 150 | 7 | "Why Do We Sleep?" | Robert Stickgold, Patrick McNamara, Deirdre Barrett, Nicholas Humphrey |
| 151 | 8 | "Does Fine-Tuning Demand Explanation?" | Bernard Carr, David Deutsch, Richard Swinburne, Rodney Holder, Chris Isham |
| 152 | 9 | "Why Obsess about Free Will?" | Patrick Haggard, Peter Tse, Walter Sinnott-Armstrong, Alison Gopnik |
| 153 | 10 | "Why Seek an Alternative God?" | Robin Le Poidevin, Andrei Buckareff, Peter Forrest, Sarah Coakley |
| 154 | 11 | "Panentheism: Is the World in God?" | Philip Clayton, Marcel Sarot, Michael Levin (biologist), Yujin Nagasawa, Sarah Coakley, Alister McGrath |
| 155 | 12 | "What is Nothing?" | Richard Swinburne, Simon Blackburn, Peter van Inwagen, Steven Weinberg, John Leslie, Timothy O'Connor, Robert Spitzer, Victor Stenger, John Hawthorne |
| 156 | 13 | "Why Anything at All?" | John Leslie, Bede Rundle, Max Tegmark, Simon Blackburn, Quentin Smith, Victor Stenger, Peter Forrest, John Leslie, Peter van Inwagen, John Polkinghorne, Richard Swinburne, Paul Davies |

### Season 11 (2013)

| No. in Series | No. in Season | Episode Title | Featured Guest / Contributor |
| 131 | 1 | "Time at Sea" | Max Tegmark, Huw Price, Dean Rickies, Fotini Markopoulou, Andreas Albrecht, Garrett Lisi, Raphael Bousso, Scott Aaronson, Craig Callender, David Eagleman, David Albert, Julian Barbour, Sean Carroll |
| 132 | 2 | "What is Time?" | Huw Price, Julian Barbour, David Albert, Jeff Tollaksen, John Polkinghorne |
| 133 | 3 | "Why Believe in God?" | Sarah Coakley, A. C. Grayling, Chris Isham, Michael Shermer |
| 134 | 4 | "Alternative Concepts of God" | Yujin Nagasawa, Marcel Sarot, Willem B. Drees, John Bishop, Eric Steinhart, Brian Leftow |
| 135 | 5 | "Pantheism: Is the World God?" | Michael Levin (biologist), Peter Forrest, John Leslie, J. L. Schellenberg, Richard Swinburne |
| 136 | 6 | "How Do Brains Work?" | Christopher Evans, Kelsey Martin, Bob Bilder, Jared Diamond, Rodney Brooks |
| 137 | 7 | "What Would an Infinite Cosmos Mean?" | Martin Rees, Anthony Aguirre, Raphael Bousso, Sean Carroll, Joshua Knobe |
| 138 | 8 | "What is God's Eternity?" | Paul Davies, Eleonore Stump, Gregory Ganssle, William Lane Craig, Robert Spitzer, Robert John Russell |
| 139 | 9 | "Why is Free Will a Big Question?" | Alfred Mele, Eddy Nahmias, Tim Bayne, Bertram Malle, Joshua Knobe, Roy Baumeister |
| 140 | 10 | "Is Free Will an Illusion?" | Daniel Dennett, Alfred Mele, Patrick Haggard, Thalia Wheatley, Timothy O'Connor, Peter van Inwagen |
| 141 | 11 | "What's in a Resurrection?" | Edward Wierenga, Sarah Coakley, John Behr, Arthur Hyman, Timothy O'Connor |
| 142 | 12 | "Does Hell Reveal God?" | Edward Wierenga, Richard Swinburne, Paul Fiddes, John Behr, Eleonore Stump |
| 143 | 13 | "Confronting Consciousness" | Christof Koch, David Eagleman, Keith Ward, Warren S. Brown, Tim Bayne, Raymond Tallis |

### Season 10 (2012)

| No. in Series | No. in Season | Episode Title | Featured Guest / Contributor |
| 118 | 1 | "Is the Universe Religiously Ambiguous?" | Sean Carroll, Bernard Carr, Martin Rees, Chris Isham, J. L. Schellenberg |
| 119 | 2 | "Is Consciousness an Illusion?" | Nicholas Humphrey, Julian Baggini, Rebecca Goldstein, Galen Strawson, A. C. Grayling, Raymond Tallis |
| 120 | 3 | "What is God?" | John Polkinghorne, John Behr, John Hick, J. L. Schellenberg, Timothy O'Connor |
| 121 | 4 | "Do General Principles Govern All Science?" | Geoffrey West, Martin Rees, Stuart Kauffman, Holmes Rolston, David Deutsch |
| 122 | 5 | "Are Brain and Mind the Same Thing?" | David Eagleman, Nicholas Humphrey, Richard Swinburne, Raymond Tallis, Robert Stickgold |
| 123 | 6 | "Current Arguments for God" | Rebecca Goldstein, Julian Barbour, John Polkinghorne, Robin Collins, A. C. Grayling, Yujin Nagasawa, Alvin Plantinga |
| 124 | 7 | "Why Science and Religion Think Differently" | Neils Gregerson, Holmes Rolston, Chris Southgate, Celia Deane-Drummond, A. C. Grayling |
| 125 | 8 | "What are Dreams About?" | Robert Stickgold, Deirdre Barrett, Chris Isham, Patrick McNamara |
| 126 | 9 | "Can God Face Up Evil?" | John Hick, Stephen Law, Paul Fiddes, A. C. Grayling, Robert John Russell |
| 127 | 10 | "How Belief Systems Work" | Julian Baggini, Stephen Law, Patrick McNamara, Gregory Ganssle, Rebecca Goldstein, Michael Shermer |
| 128 | 11 | "Do Religions Complement or Contradict?" | John Hick, Yujin Nagasawa, John Behr, Sarah Coakley, Mahmoud Ayoub |
| 129 | 12 | "Why is Free Will a Mystery?" | John Searle, Richard Swinburne, Ned Block, Walter Sinnott-Armstrong, Alfred Mele, Thalia Wheatley, Jenann Ismael, Adina Roskies, Tim Bayne, David Hunt, Alvin Plantinga |
| 130 | 13 | "Does Brain Science Abolish Free Will?" | Galen Strawson, Alfred Mele, Christof Koch, Uri Maoz, Richard Swinburne, Colin McGinn |

### Season 9 (2012)

| No. in Series | No. in Season | Episode Title | Featured Guest / Contributor |
| 105 | 1 | "Fallacies in Proving God Exists" | Peter Atkins, Victor Stenger, Michael Tooley, Walter Sinnott-Armstrong, Denis Alexander |
| 106 | 2 | "Is Life and Mind Inevitable in the Universe?" | J. Richard Gott, Frank Wilczek, Robert Laughlin, Ray Kurzweil, Robert John Russell, Peter van Inwagen |
| 107 | 3 | "Arguing God with Analytic Philosophy" | Richard Swinburne, Philip Clayton, Bede Rundle, Richard Swinburne |
| 108 | 4 | "What Would Alien Intelligences Mean?" | Martin Rees, Frank Drake, Lawrence Krauss, Greg Benford, Jaron Lanier |
| 109 | 5 | "What God the Creator Means / How Does a Creator God Work?" | Alister McGrath, Keith Ward, William Dembski, Varadaraja V. Raman, William Lane Craig, James Tabor |
| 110 | 6 | "Mysteries of Cosmic Inflation" | Alexander Vilenkin, Alan Guth, Paul Steinhardt, Andrei Linde, Saul Perlmutter |
| 111 | 7 | "How is God All Powerful?" | Brian Leftow, Bede Rundle, John Leslie, Thomas Flint, Greg Boyd |
| 112 | 8 | "Does Metaphysics Reveal Reality?" | John Searle, Hubert Dreyfus, Bas van Fraassen, Steven Weinberg, Daniel Dennett, Ned Block |
| 113 | 9 | "Complexity from Simplicity?" | Stephen Wolfram, Seth Lloyd, Lee Smolin, Francis Collins, Frank Wilczek |
| 114 | 10 | "Do Humans have Free Will?" | Ned Block, David Gross, Stephen Wolfram, Nancey Murphy, JP Moreland, Jaron Lanier |
| 115 | 11 | "What's God About?" | Robert John Russell, Philip Clayton, Ian Barbour, John Leslie, Keith Ward |
| 116 | 12 | "Does Consciousness lead to God?" | Keith Ward, Susan Blackmore, Varadaraja V. Raman, Paul Davies, John Leslie |
| 117 | 13 | "The Mystery of Existence" | Michio Kaku, Bede Rundle, John Leslie, Hubert Dreyfus |

### Season 8 (2011)

| No. in Series | No. in Season | Episode Title | Featured Guest / Contributor |
| 92 | 1 | "Is Evil Necessary in God's World?" | Walter Sinnott-Armstrong, Richard Swinburn, Robin Collins, David Shatz, Robert John Russell |
| 93 | 2 | "What's Beyond Physics?" | Lawrence Krauss, Michio Kaku, Rupert Sheldrake, Paul Davies, David Chalmers |
| 94 | 3 | "Can ESP Reveal a New Reality?" | Marilyn Schlitz, Dean Radin, Fred Alan Wolf, Michael Tooley, Alan Leshner |
| 95 | 4 | "Arguing God from Consciousness" | JP Moreland, Bede Rundle, Richard Swinburne, Quentin Smith, Colin McGinn |
| 96 | 5 | "Does the Cosmos Provide Meaning?" | Saul Perlmutter, Roger Penrose, Paul Steinhardt, Martin Rees, Frank Drake |
| 97 | 6 | "What Maintains Personal Identity?" | John Searle, Christof Koch, Rodolfo Llinas, Stephen Braude, Michael Tooley |
| 98 | 7 | "Arguing God from Being" | Peter van Inwagen, Alister McGrath, Seyyed Hossein Nasr, Michael Tooley, Alvin Plantinga |
| 99 | 8 | "Can Science and Theology Find Deep Reality?" | Ernan McMullin, Frank Wilczek, Francis Collins, Paul Davies, Bruce Murray |
| 100 | 9 | "What's Wrong with Immortal Souls?" | Keith Ward, Neil Gillman, Ananda Guruge, Dean Zimmerman, Philip Clayton |
| 101 | 10 | "Does God Have a Nature?" | Brian Leftow, Keith Ward, Bede Rundle, David Shatz, Alvin Plantinga |
| 102 | 11 | "Are There Things Not Material?" | Colin McGinn, JP Moreland, Ananda Guruge, Marvin Minsky, David Chalmers |
| 103 | 12 | "How Free is God?" | Richard Swinburne, Brian Leftow, Peter van Inwagen, Alvin Plantinga, William Lane Craig |
| 104 | 13 | "Immortality and Eternal Life" | Russell Stannard, Neil Gillman, Thomas Flint, Robin Collins, Ananda Guruge |

### Season 7 (2011)

| No. in Series | No. in Season | Episode Title | Featured Guest / Contributor |
| 79 | 1 | "How To Think About God's Existence" | Philip Clayton, Victor Stenger, Robert John Russell, Michael Shermer, David Shatz, Peter van Inwagen |
| 80 | 2 | "Why is the Universe Breathtaking?" | Frank Wilczek, Steven Weinberg, David Finkelstein, Seth Lloyd, Freeman Dyson, Saul Perlmutter |
| 81 | 3 | "What is the Meaning of Consciousness?" | Ned Block, Marvin Minsky, Alva Noe, Jaron Lanier, Colin McGinn |
| 82 | 4 | "Arguing God from Miracles & Revelations" | William Lane Craig, Walter Sinnott-Armstrong, Richard Swinburne, Bede Rundle, Francis Collins |
| 83 | 5 | "Marvels of Space-Time" | Max Tegmark, J. Richard Gott, Juan Maldacena, Fotini Markopoulou, John Leslie |
| 84 | 6 | "What Makes Brains Conscious?" | Arnold Scheibel, John Mazziotta, Christof Koch, Joseph LeDoux, Stephen Chorover |
| 85 | 7 | "Is God Perfect?" | Brian Leftow, Richard Swinburne, JP Moreland, Walter Sinnott-Armstrong, Keith Ward, Philip Clayton |
| 86 | 8 | "What are the Scope and Limits of Science?" | Frank Wilczek, J. Richard Gott, Stephen Wolfram, Bas van Fraassen, Owen Gingerich |
| 87 | 9 | "Is Human Consciousness Special?" | Marvin Minsky, Roger Walsh, Marilyn Schlitz, Colin McGinn, J. Wentzel van Huyssteen |
| 88 | 10 | "If God Knows the Future, What is Free Will?" | Alvin Plantinga, Thomas Flint, Peter van Inwagen, Dean Zimmerman |
| 89 | 11 | "Can Science Talk God?" | David Gross, William Dembski, Victor Stenger, Gregory Chaitin, George Smoot |
| 90 | 12 | "Do Persons Survive Death?" | Charles Tart, Richard Swinburne, Robert Park, James Tabor, Keith Ward |
| 91 | 13 | "Is Theism Coherent?" | Richard Swinburne, Walter Sinnott-Armstrong, Quentin Smith |

### Season 6 (2010)

| No. in Series | No. in Season | Episode Title | Featured Guest / Contributor |
| 66 | 1 | "Arguing God from Natural Theology?" | John Polkinghorne, Victor Stenger, William Dembski, J. Wentzel van Huyssteen, Owen Gingerich |
| 67 | 2 | "What is the Large-Scale Structure of the Universe?" | J. Richard Gott, Abraham Loeb, George Smoot, Saul Perlmutter |
| 68 | 3 | "Does ESP Reveal Spirit Existence?" | Stephen Braude, Marilyn Schlitz, Dean Radin, Robert Park, Charles Tart |
| 69 | 4 | "Is God All Knowing?" | William Lane Craig, John Leslie, Thomas Flint, Robert John Russell |
| 70 | 5 | "Why is the Quantum So Strange?" | Wojciech Zurek, Nima Arkani-Hamed, Lee Smolin, Seth Lloyd |
| 71 | 6 | "Can Metaphysics Discover Surprises?" | Colin McGinn, Peter van Inwagen, Philip Clayton, George Lakoff, Dean Zimmerman |
| 72 | 7 | "Is God Necessary?" | Alvin Plantinga, Peter van Inwagen, Richard Swinburne, Bede Rundle, David Shatz |
| 73 | 8 | "Would Multiple Universes Undermine God?" | Victor Stenger, Richard Swinburne, Robin Collins, Russell Stannard |
| 74 | 9 | "Do Human Brains Have Free Will?" | John Searle, Rodolfo Llinas, Christof Koch, Eran Zaidel, Roger Walsh, Michael Merzenich, Henry Stapp, Colin McGinn |
| 75 | 10 | "Arguing for Agnosticism?" | Mark Vernon, Nick Bostrom, Denis Alexander, Leonard Susskind, John Searle |
| 76 | 11 | "Are Science & Religion at War?" | Philip Clayton, William Dembski, Bas van Fraassen, Robert John Russell |
| 77 | 12 | "Why Explore Consciousness and Cosmos?" | David Chalmers, Alexander Vilenkin, David Brin, Colin McGinn, Paul Davies |
| 78 | 13 | "A New Heaven & A New Earth?" | Nancey Murphy, Arthur Hyman, Robin Collins, John Polkinghorne, Robert John Russell |

### Season 5 (2010)

| No. in Series | No. in Season | Episode Title | Featured Guest / Contributor |
| 53 | 1 | "How Do Human Brains Think and Feel?" | Rodolfo Llinas, John Mazziotta, Joseph LeDoux, Michael Merzenich, Eran Zaidel |
| 54 | 2 | "Does a Fine-Tuned Universe Lead to God?" | Robin Collins, Victor Stenger, Ernan McMullin, Michio Kaku |
| 55 | 3 | "Wondering About God" | Keith Ward, Mahmoud Ayoub, Neil Gillman, Ananda Guruge, John Leslie, William Grassie, J. Wentzel van Huyssteen, Paul Davies, Alvin Plantinga |
| 56 | 4 | "What is the Far Far Future of the Universe?" | Martin Rees, Wendy Freedman, Abraham Loeb, Alexander Vilenkin, Robert John Russell |
| 57 | 5 | "Solutions to the Mind-Body Problem?" | Ned Block, Dean Zimmerman, Colin McGinn, Charles Tart, Henry Stapp |
| 58 | 6 | "How is God the Creator?" | William Lane Craig, John Polkinghorne, Brian Leftow |
| 59 | 7 | "What would Multiple Universes Mean?" | Max Tegmark, Anthony Aguirre, Alan Guth, Andrei Linde, Renata Kallosh, Paul Davies |
| 60 | 8 | "What Things are Conscious?" | John Searle, Ray Kurzweil, JP Moreland, Marilyn Schlitz, Rupert Sheldrake |
| 61 | 9 | "Can Religion be Explained Without God?" | Daniel Dennett, J. Wentzel van Huyssteen, Susan Blackmore, Denis Alexander, Michael Shermer |
| 62 | 10 | "What's Real About Time?" | Greg Benford, Kip Thorne, Nima Arkani-Hamed, Lee Smolin |
| 63 | 11 | "How do Persons Maintain Their Identity?" | Colin McGinn, Susan Blackmore, Ray Kurzweil, John Polkinghorne, Peter van Inwagen |
| 64 | 12 | "Is God a "Person"?" | Thomas Flint, JP Moreland, Neil Gillman, Varadaraja V. Raman, Philip Clayton |
| 65 | 13 | "Asking Ultimate Questions" | Lawrence Krauss, John Leslie, Max Tegmark, Paul Davies |

### Season 4 (2009)

| No. in Series | No. in Season | Episode Title | Featured Guest / Contributor |
| 40 | 1 | "Why is Consciousness Baffling?" | Charles Tart, Roger Walsh, Ray Kurzweil, Hubert Dreyfus, Alva Noe, Henry Stapp, George Lakoff |
| 41 | 2 | "What is God Like?" | Alvin Plantinga, Peter van Inwagen, Neil Gillman, Richard Swinburne, Huston Smith |
| 42 | 3 | "What does an Expanding Universe Mean?" | Alan Guth, Paul Steinhardt, Saul Perlmutter, George F. R. Ellis, Andrei Linde |
| 43 | 4 | "Is the Person All Material?" | Daniel Dennett, Alvin Plantinga, Peter van Inwagen, John Searle, David Chalmers |
| 44 | 5 | "Arguments Against God?" | Susan Blackmore, Peter Atkins, Alvin Plantinga, Steven Weinberg, Richard Swinburne, Michael Shermer |
| 45 | 6 | "Are there Extra Dimensions?" | Lawrence Krauss, Michio Kaku, David Gross, Nima Arkani-Hamed, Juan Maldacena, Roger Penrose |
| 46 | 7 | "Would Intelligent Aliens Undermine God?" | Steven J. Dick, Russell Stannard, Paul Davies, Robin Collins, Jill Tarter, Doug Vakoch |
| 47 | 8 | "Did God Create Evil?" | Nancey Murphy, Greg Boyd, Mahmoud Ayoub, Varadaraja V. Raman, Keith Ward |
| 48 | 9 | "Is Mathematics Invented or Discovered?" | Roger Penrose, Mark Balaguer, Gregory Chaitin, Stephen Wolfram, Frank Wilczek |
| 49 | 10 | "Do Angels and Demons Exist?" | JP Moreland, Thomas Flint, Dean Radin, Walter Sinnott-Armstrong, James Tabor |
| 50 | 11 | "Why the Laws of Nature?" | Martin Rees, Steven Weinberg, Freeman Dyson, Peter Atkins, Lee Smolin, Bas van Fraassen |
| 51 | 12 | "What is God's Judgment?" | John Polkinghorne, Seyyed Hossein Nasr, Varadaraja V. Raman, Ven. Yifa, Robert John Russell |
| 52 | 13 | "Why the Cosmos?" | Owen Gingerich, Ray Kurzweil, Max Tegmark, John Polkinghorne, Steven J. Dick, Paul Davies |

### Season 3 (2009)

| No. in Series | No. in Season | Episode Title | Featured Guest / Contributor |
| 27 | 1 | "How Could God Know the Future?" | Russell Stannard, John Polkinghorne, Ernan McMullin, Greg Boyd, William Lane Craig |
| 28 | 2 | "Is the Universe Fine-Tuned for Life and Mind?" | Martin Rees, Leonard Susskind, Alexander Vilenkin, Russell Stannard, Roger Penrose |
| 29 | 3 | "How Does Beauty Color the Cosmos?" | Peter Atkins, Roger Penrose, Stephon Alexander, Fotini Markopoulou, Frank Wilczek, Freeman Dyson |
| 30 | 4 | "What Things Really Exist?" | Roger Penrose, Peter van Inwagen, John Searle, William Lane Craig, John Leslie |
| 31 | 5 | "Where are They, All Those Aliens?" | Jill Tarter, Doug Vakoch, Frank Drake, Ray Kurzweil, Francisco Ayala, Steven J. Dick, David Brin |
| 32 | 6 | "Why is There “Something” Rather than “Nothing”?" | John Leslie, Peter van Inwagen, Bede Rundle, Quentin Smith, Richard Swinburne, Steven Weinberg |
| 33 | 7 | "Can Many Religions All Be True?" | Alvin Plantinga, Richard Swinburne, Arthur Hyman, Seyyed Hossein Nasr, Ananda Guruge, Varadaraja V. Raman |
| 34 | 8 | "Is Consciousness Fundamental?" | David Chalmers, John Searle, Marilyn Schlitz, Varadaraja V. Raman, Paul Davies, Andrei Linde |
| 35 | 9 | "Is There A Final Theory of Everything?" | Steven Weinberg, David Gross, Robert Laughlin, Stephen Wolfram, Frank Wilczek |
| 36 | 10 | "How can Emergence Explain Reality?" | Robert Laughlin, Peter Atkins, Francisco Ayala, Stephen Wolfram, Philip Clayton |
| 37 | 11 | "Is This the End Time?" | James Tabor, Robert Saucy, Nancey Murphy, Arthur Hyman, Greg Boyd |
| 38 | 12 | "Eternal Life is Like What?" | Richard Swinburne, JP Moreland, Seyyed Hossein Nasr, Varadaraja V. Raman, Huston Smith |
| 39 | 13 | "Do Science & Religion Conflict?" | Daniel Dennett, Owen Gingerich, Marvin Minsky, Francisco Ayala, J. Wentzel van Huyssteen, Paul Davies |

### Season 2 (2008)

| No. in Series | No. in Season | Episode Title | Featured Guest / Contributor |
| 14 | 1 | "Is There Life After Death?" | Stephen Braude, Michael Tooley, JP Moreland, Nancey Murphy, David Shatz, Master Hsing Yun |
| 15 | 2 | "Arguing God from Morality" | JP Moreland, Richard Swinburne, Francis Collins, Michael Tooley, Michael Shermer |
| 16 | 3 | "How Many Universes Exist?" | Andrei Linde, Alan Guth, Martin Rees, Leonard Susskind, Max Tegmark, Steven Weinberg |
| 17 | 4 | "Can Brain Explain Mind?" | Christof Koch, Rodolfo Llinas, Ray Kurzweil, John Searle, David Chalmers |
| 18 | 5 | "What is the Mind-Body Problem?" | John Searle, Ned Block, JP Moreland, Marvin Minsky, Colin McGinn |
| 19 | 6 | "Is Time Travel Possible?" | Michio Kaku, J. Richard Gott, Kip Thorne, Fred Alan Wolf, Seth Lloyd |
| 20 | 7 | "Did God Create Time?" | Brian Leftow, John Polkinghorne, Ernan McMullin, William Lane Craig, Varadaraja V. Raman, Robert John Russell |
| 21 | 8 | "Does Evil Disprove God?" | Peter van Inwagen, Quentin Smith, Alvin Plantinga, Michael Tooley, Richard Swinburne |
| 22 | 9 | "Why are Black Holes Astonishing?" | Kip Thorne, Leonard Susskind, Juan Maldacena, Nima Arkani-Hamed, Lee Smolin |
| 23 | 10 | "What is Free Will?" | Peter van Inwagen, John Searle, Daniel Dennett, Alan Leshner, Susan Blackmore, Christof Koch |
| 24 | 11 | "Arguments for Atheism" | Michael Tooley, Daniel Dennett, Richard Swinburne, Nancey Murphy, Walter Sinnott-Armstrong |
| 25 | 12 | "How Could God Interact with the World?" | Robert John Russell, John Polkinghorne, Paul Davies, Alvin Plantinga, Ernan McMullin |
| 26 | 13 | "What's the Far Future of Intelligence in the Universe?" | Freeman Dyson, Lawrence Krauss, Ray Kurzweil, Frank Tipler, Robin Collins, Paul Davies |

### Season 1 (2008)

| No. in Series | No. in Season | Episode Title | Featured Guest / Contributor |
| 1 | 1 | "Does God Make Sense?" | Richard Swinburne, Alvin Plantinga, Daniel Dennett, Seyyed Hossein Nasr, Varadaraja V. Raman, Huston Smith, Michael Shermer |
| 2 | 2 | "How Vast is the Cosmos?" | Martin Rees, Martin Rees, Max Tegmark, Alan Guth, Andrei Linde, Paul Davies |
| 3 | 3 | "Why is Consciousness So Mysterious?" | Ven. Yifa, Susan Blackmore, Keith Ward, Daniel Dennett, David Chalmers, John Searle, Colin McGinn |
| 4 | 4 | "Did Our Universe Have a Beginning?" | Wendy Freedman, Alan Guth, George Smoot, Alexander Vilenkin, Martin Rees |
| 5 | 5 | "How are Brains Structured?" | Arnold Scheibel, Carmine Clemente, John Schlag, Christof Koch, Michael Merzenich, Rodolfo Llinas |
| 6 | 6 | "Arguing God's Existence" | Keith Ward, Owen Gingerich, William Lane Craig, Walter Sinnott-Armstrong, Alvin Plantinga, Steven Weinberg |
| 7 | 7 | "Why a Fine-Tuned Universe?" | John A. Leslie, Steven Weinberg, David Gross, John Polkinghorne, Robin Collins, Paul Davies |
| 8 | 8 | "Do Persons have Souls?" | JP Moreland, Nancey Murphy, Richard Swinburne, Daniel Dennett, Peter van Inwagen, Huston Smith |
| 9 | 9 | "Arguing God from Design" | Richard Swinburne, Bede Rundle, Steven Weinberg, William Dembski, Francisco Ayala, Michael Shermer, Freeman Dyson |
| 10 | 10 | "Could Our Universe Be a Fake?" | David Brin, Nick Bostrom, Ray Kurzweil, Marvin Minsky, Martin Rees |
| 11 | 11 | "Does ESP Reveal the Nonphysical?" | Marilyn Schlitz, Charles Tart, Susan Blackmore, Rupert Sheldrake, Dean Radin, Michael Shermer |
| 12 | 12 | "Arguing God from First Cause" | William Lane Craig, Quentin Smith, Alister McGrath, David Shatz, Charles Harper Jr., Peter van Inwagen |
| 13 | 13 | "Can Science Deal With God?" | Lawrence Krauss, Francis Collins, Robert John Russell, Ian Barbour, Freeman Dyson, Michio Kaku |

### Roundtables (2000–2003)
#### Season 3 (2003)

| No. in Series | No. in Season | Episode Title | Featured Guest / Contributor |
| 1 | 1 | "Is Science Fiction Science?" | Michael Crichton, David Brin, Octavia Butler |
| 2 | 2 | "Can We Believe in Both Science and Religion?" | Nancey Murphy, Muzaffar Iqbal, Michael Shermer |
| 3 | 3 | "How Does the Autistic Brain Work?" | Eric Courchesne, Eric Shuman, Terry Sejnowski, Tito Mukhopadhyay, Soma Mukhopadhyay, Portia Iversen |
| 4 | 4 | "How Weird is the Cosmos?" | David Goodstein, Alan Guth, Neil deGrasse Tyson, Roger Blandford |
| 5 | 5 | "Microbes - Friend or Foe" | Agnes Day, Paul Ewald, Alice Huang, Lucy Shapiro |
| 6 | 6 | "How Does Order Arise in the Universe?" | Murray Gell-Mann, David Baltimore |
| 7 | 7 | "Why is Music So Significant?" | Jeanne Bamberger, Robert Freeman, Mark Jude Tramo |
| 8 | 8 | "Will Computers Take a Quantum Leap?" | David DiVincenzo, Seth Lloyd, Birgitta Whaley |
| 9 | 9 | "Does Psychiatry Have a Split Personality?" | Nancy Andreasen, Robert Epstein, Peter Loewenberg |
| 10 | 10 | "How Does Basic Science Defend America?" | Steven Koonin, Llewellyn “Doc” Dougherty, David Herrelko |
| 11 | 11 | "Who Gets to Validate Alternative Medicine?" | Hyla Cass, William Jarvis, Daniel Labriola, Wallace Sampson |
| 12 | 12 | "Is Consciousness Definable?" | Joseph Bogen, Christof Koch, Leslie Brothers, Stuart Hameroff |
| 13 | 13 | "Is the Universe Full of Life?" | Shri Kulkarni, Bruce Murray, Neil deGrasse Tyson |
| 14 | 14 | "Can Religion Withstand Technology?" | Donald Miller, Muzaffar Iqbal, Michael Shermer |
| 15 | 15 | "Testing New Drugs: Are People Guinea Pigs?" | Alexander Capron, Andrea Kovacs, Robert Temple |

#### Season 2 (2000)

| No. in Series | No. in Season | Episode Title | Featured Guest / Contributor |
| 15 | 1 | "Can We Imagine the Far Future—Year 3000?" | Edward de Bono, Bart Kosko, Graham T. T. Molitor, Bruce Murray |
| 16 | 2 | "How Do Breakthroughs Change Science?" | Neil deGrasse Tyson, Timothy Ferris, Francisco Ayala, Patricia Smith Churchland, Rochel Gelman |
| 17 | 3 | "How Does Creativity Work at Work?" | Stephen J. Cannell, Ray Kurzweil, Mihaly Csikszentmihalyi, Robert Freeman, John Kao |
| 18 | 4 | "Do Brains Make Minds?" | David Chalmers, John Searle, Marilyn Schlitz, Fred Alan Wolf, Barry Beyerstein |
| 19 | 5 | "Will Gene Therapy Change the Human Race?" | Francisco Ayala, French Anderson, Sherwin Nuland, Gregory Stock, Allan Tobin |
| 20 | 6 | "Why are Music and Art So Exhilarating?" | Ray Kurzweil, Rhoda Janzen, Todd Boyd, Todd Siler, Robert Freeman |
| 21 | 7 | "Why is Quantum Physics So Beautiful?" | Leon Lederman, Andrei Linde, Steve Koonin, Gregory Benford, Charles Buchanan |
| 22 | 8 | "How Did We Think in the Last Millennium?" | Edward de Bono, Graham T. T. Molitor, Bruce Murray, Edward Feigenbaum, Sherwin Nuland |
| 23 | 9 | "Who Needs Sex Therapy?" | Cliff Penner, Joyce Penner, Sherwin Nuland, Paul Abramson, Vern Bullough |
| 24 | 10 | "How Does Technology Transform Society?" | Francis Fukuyama, Marvin Minsky, George Kozmetsky, Gregory Benford, Gregory Stock |
| 25 | 11 | "Can You Learn to Be Creative?" | Mihaly Csikszentmihalyi, John Kao, Todd Siler, Rhoda Janzen |
| 26 | 12 | "What is Parapsychology?" | James Trefil, Dean Radin, Barry Beyerstein, Marilyn Schlitz, Charles Tart |
| 27 | 13 | "Will This Universe Ever End?" | Leon Lederman, Wendy Freedman, Andrei Linde, Nancey Murphy, Frank Tipler |
| 28 | 14 | "Will Intelligence Fill This Universe?" | Leon Lederman, Francisco Ayala, Bruce Murray, Frank Tipler, Gregory Benford |

#### Season 1 (2000)

| No. in Series | No. in Season | Episode Title | Featured Guest / Contributor |
| 1 | 1 | "What Are the Grand Questions of Science?" | Neil deGrasse Tyson, Timothy Ferris, Francisco Ayala, Patricia Smith Churchland, Steven Koonin |
| 2 | 2 | "Will the Internet Change Humanity?" | Francis Fukuyama, George Geis, Bart Kosko, Bruce Murray |
| 3 | 3 | "What's Creativity and Who's Creative?" | Stephen J. Cannell, Ray Kurzweil, Mihaly Csikszentmihalyi, Robert Freeman, John Kao |
| 4 | 4 | "New Communities for the New Millennium" | Neil deGrasse Tyson, Bruce Chapman, Barbara Marx Hubbard, Saru Jayaraman, John McWhorter |
| 5 | 5 | "How Did This Universe Begin?" | Leon Lederman, Andrei Linde, Wendy Freedman, Nancey Murphy, Frank Tipler |
| 6 | 6 | "Can We See the Near Future--Year 2025?" | Edward de Bono, Bart Kosko, Edward Feigenbaum, Graham T. T. Molitor, Bruce Murray |
| 7 | 7 | "What is Consciousness?" | James Trefil, David Chalmers, John Searle, Marilyn Schlitz, Fred Alan Wolf |
| 8 | 8 | "Can You Really Extend Your Life?" | French Anderson, Sherwin Nuland, Arthur De Vany, Gregory Stock, Roy Walford |
| 9 | 9 | "Can ESP Affect Your Life?" | James Trefil, Dean Radin, Barry Beyerstein, Marilyn Schlitz, Charles Tart |
| 10 | 10 | "Whatever Happened to Ethics and Civility?" | Bruce Chapman, Saru Jayaraman, John McWhorter, Barbara Marx Hubbard, Richard Mouw |
| 11 | 11 | "How Does Technology Transform Thinking?" | Francis Fukuyama, Marvin Minsky, Bart Kosko, Bruce Murray, George Kozmetsky |
| 12 | 12 | "Strange Physics of the Mind?" | Gregory Benford, James Trefil, David Chalmers, John Searle, Fred Alan Wolf |
| 13 | 13 | "Can Science Seek the Soul?" | Warren S. Brown, Dean Radin, Charles Tart, John Searle, Fred Alan Wolf |
| 14 | 14 | "Does Sex Have a Future?" | Cliff Penner, Joyce Penner, Paul Abramson, Vern Bullough, Gregory Stock |