# List of Radiolab episodes

Radiolab is a radio program broadcast on public radio stations in the United States and through a podcast available internationally, both produced by WNYC. Hosted by Latif Nasser and Lulu Miller, each episode delves into scientific and philosophical topics through stories, interviews, and thought experiments.
Radiolab airs as a one-hour broadcast each week while its podcast releases new episodes of varying lengths usually biweekly. For a few years, the Radiolab podcast feed featured a full-hour episode every six weeks, announced by the hosts as Radiolab: The Podcast, interspersed with two shorter pieces known as "shorts." These shorter pieces were often combined into full episodes not found on the podcast feed but available on Radiolab's website. Recently, Radiolab has diversified its podcast format, combining these episodes and shorts into an airable compilation. The program is syndicated to over 450 NPR affiliates nationwide.
Radiolab's first nine seasons (February 2002–April 2011) comprised five episodes each. Subsequent seasons contained between nine and ten episodes. Season 15 began airing in January 2017. In 2018, the show's seasonal and episode format became obscured when online content moved from radiolab.org to wnycstudios.org.

## Before Season 1 (2002–2004)

Before the concept of a show featuring Jad Abumrad and Robert Krulwich emerged in November 2003, Abumrad produced radio documentaries featuring himself and others. Some of this material has been repackaged and broadcast under the Radiolab banner.

### 2002

| # | Title | Original air date |
| 1 | "Death Penalty and the Prison Economy" | May 19, 2002 (2002-05-19) |
| 2 | "Graduation and Memorial Day" | May 26, 2002 (2002-05-26) |
| 3 | "Why does the Arab world hate us?" | June 2, 2002 (2002-06-02) |
| 4 | "How much do most of us really know about Africa?" | June 9, 2002 (2002-06-09) |
| 5 | "South Africa" | June 16, 2002 (2002-06-16) |
| 6 | "Terrorism and Fundamentalism" | June 23, 2002 (2002-06-23) |
| 7 | "An Unusual Look at the Middle East" | June 30, 2002 (2002-06-30) |
| 8 | "Adventures in the Other America" | July 7, 2002 (2002-07-07) |
| 9 | "Pop Songs, Strip Clubs, and Commercials" | July 14, 2002 (2002-07-14) |
| 10 | "Home, Fast Food and Screamologists" | July 21, 2002 (2002-07-21) |
| 11 | "Religion in America" | July 28, 2002 (2002-07-28) |
| 12 | "Bible Salesmen, Snake Handlers and Deadly Decisions" | August 4, 2002 (2002-08-04) |
| 13 | "NY Screamers, Turkish Youth and Improv Comedians" | August 11, 2002 (2002-08-11) |
| 14 | "The World in Sound" | August 18, 2002 (2002-08-18) |
| 15 | "Margins of the Musical Spectrum" | August 25, 2002 (2002-08-25) |
| 16 | "Retrospection" | September 1, 2002 (2002-09-01) |
| 17 | "Pre-Disaster, the Aftermath and Spiritual Fallout" | September 8, 2002 (2002-09-08) |
| 18 | "Atonement, Quilting and Knitting and the History of Rhythm 'n Blues" | September 15, 2002 (2002-09-15) |
| 19 | "Teen Diaries, Whose Line Is It Anyway and Rhythm N Blues" | September 22, 2002 (2002-09-22) |
| 20 | "The Many Faces of Glenn Gould" | September 29, 2002 (2002-09-29) |
| 21 | "Wanderers, Rwanda Maps and Rhythm n Blues" | October 6, 2002 (2002-10-06) |
| 22 | "Travelers Logs, Soundscapes and the History of Rhythm n Blues" | October 13, 2002 (2002-10-13) |
| 23 | "Food for Thought" | October 20, 2002 (2002-10-20) |
| 24 | "Therapy, Martian Invasion and More Rhythm n Blues" | October 27, 2002 (2002-10-27) |
| 25 | "Race Relations, The Power of Pop and the History of Rhythm n Blues" | November 3, 2002 (2002-11-03) |
| 26 | "Veteran's Day Special" | November 10, 2002 (2002-11-10) |
| 27 | "Revolt" | November 17, 2002 (2002-11-17) |
| 28 | "Nike, Nature's Revenge and Gunrunners" | November 24, 2002 (2002-11-24) |
| 29 | "Rwanda Maps" | December 8, 2002 (2002-12-08) |
| 30 | "Family Feuds Over the Lord" | December 22, 2002 (2002-12-22) |
| 31 | "An Hour With George Avakian" | December 29, 2002 (2002-12-29) |

### 2003

| # | Title | Original air date |
| 1 | "Migrants and Wanderers" | January 5, 2003 (2003-01-05) |
| 2 | "Therapy/Therapeutic Resistance" | January 12, 2003 (2003-01-12) |
| 3 | "Nike: Not Just a Shoe Company" | January 19, 2003 (2003-01-19) |
| Compiled from "Nike, Nature's Revenge and Gunrunners" (Nov 2002). |||
| 4 | "Shades of Gray" | January 26, 2003 (2003-01-26) |
| 5 | "War" | February 2, 2003 (2003-02-02) |
| 6 | "What's so Funny?" | February 9, 2003 (2003-02-09) |
| 7 | "Strip Club USA" | February 16, 2003 (2003-02-16) |
| 8 | "Needlework" | February 23, 2003 (2003-02-23) |
| 9 | "Dog Tales" | March 2, 2003 (2003-03-02) |
| 10 | "Radio Diaries" | March 9, 2003 (2003-03-09) |
| 11 | "Bridges" | March 16, 2003 (2003-03-16) |
| 12 | "Jay's Kids and Kids on Spirituality" | March 30, 2003 (2003-03-30) |
| 13 | "Educating Esme" | April 6, 2003 (2003-04-06) |
| 14 | "Word Musicians" | April 13, 2003 (2003-04-13) |
| 15 | "Memories" | April 20, 2003 (2003-04-20) |
| 16 | "Memory 2" | April 27, 2003 (2003-04-27) |
| 17 | "Food Therapy" | May 4, 2003 (2003-05-04) |
| 18 | "Native vs. Tourist" | May 18, 2003 (2003-05-18) |
| 19 | "The 'Stans'" | May 25, 2003 (2003-05-25) |
| 20 | "The Perfect Picture" | June 1, 2003 (2003-06-01) |
| 21 | "Scenes from a Transplant" | June 8, 2003 (2003-06-08) |
| 22 | "The Listening Room" | June 22, 2003 (2003-06-22) |
| 23 | "Lost at Sea" | June 29, 2003 (2003-06-29) |
| 24 | "Networks & Neighborhoods" | July 13, 2003 (2003-07-13) |
| 25 | "Noise Pollution vs Silence" | July 20, 2003 (2003-07-20) |
| 26 | "The Radio Lab Fundraising Special" | October 17, 2003 (2003-10-17) |
| 27 | "Look out...Martians!" | October 31, 2003 (2003-10-31) |
| 28 | "Selling" | November 7, 2003 (2003-11-07) |
| 29 | "Undercover in Zimbabwe" | November 21, 2003 (2003-11-21) |
| 30 | "Trenches" | December 12, 2003 (2003-12-12) |
| Released on the eve of the 2003 invasion of Iraq, "Trenches" compiled three archival stories about Americans at war: The first takes a listen to tape recordings from 1966 made by an American soldier who was killed in action in Vietnam; The second excerpts 1989 interviews with African American soldiers who dealt with racism, both in Vietnam and at home in the United States; The third story strings together audio clips from the Pacific Northwest in 1991 during first U.S. Gulf War with Iraq. |||
| 31 | "Flight (Species Envy)" | December 19, 2003 (2003-12-19) |
| 32 | "Remember" | December 26, 2003 (2003-12-26) |

### 2004

| # | Title | Original air date |
| 1 | "Contact" | January 16, 2004 (2004-01-16) |
| External link |||
| 2 | "The Ring and I" | March 2, 2004 (2004-03-02) |
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| 3 | "Time" | June 4, 2004 (2004-06-04) |
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| 4 | "Space" | June 25, 2004 (2004-06-25) |
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## Season 1 (2005)

| # | Title | Original air date |
| 1 | "Who Am I?" | February 4, 2005 (2005-02-04) |
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| 2 | "Stress" | February 11, 2005 (2005-02-11) |
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| 3 | "Emergence" | February 18, 2005 (2005-02-18) |
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| 4 | "Time" | February 25, 2005 (2005-02-25) |
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| 5 | "Beyond Time" | March 4, 2005 (2005-03-04) |
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## Season 2 (2006)

| # | Title | Original air date |
| 1 | "Detective Stories" | April 14, 2006 (2006-04-14) |
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| 2 | "Musical Language" | April 21, 2006 (2006-04-21) |
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| 3 | "Morality" | April 28, 2006 (2006-04-28) |
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| 4 | "Where Am I?" | May 5, 2006 (2006-05-05) |
| External link Guests: Oliver Sacks, Robert Sapolsky, Jonah Lehrer, Antonio Damasio, Christopher Sayles, Steven Solomon, Dr. V.S. Ramachandran, Jonathan Cole, Ian Waterman, Paul Broks, Dan Fulgham, Jim Whinnery, Tim Sestak. External link |||
| 5 | "Space" | May 12, 2006 (2006-05-12) |
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## Season 3 (2007)

| # | Title | Original air date |
| 1 | "Placebo" | May 18, 2007 (2007-05-18) |
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| 2 | "Sleep" | May 25, 2007 (2007-05-25) |
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| 3 | "Zoos" | June 1, 2007 (2007-06-01) |
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| 4 | "Memory and Forgetting" | June 7, 2007 (2007-06-07) |
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| 5 | "Mortality" | June 15, 2007 (2007-06-15) |
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### Episodes during Season 3 and before Season 4 (2007–2008)

| # | Title | Original air date |
| 1 | "This is Your Brain On Love" | August 28, 2007 (2007-08-28) |
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| 2 | "Making Radiolab" | November 6, 2007 (2007-11-06) |
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| 3 | "Space Capsules" | November 20, 2007 (2007-11-20) |
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| 4 | "The Wright Brothers" | December 18, 2007 (2007-12-18) |
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| 5 | "Zoo Keeper's Dilemma" | January 15, 2008 (2008-01-15) |
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| 6 | "Salle Des Departs" | January 29, 2008 (2008-01-29) |
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| 7 | "Our Podcast comes in all shapes and sizes" | February 11, 2008 (2008-02-11) |
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## Season 4 (2008)

| # | Title | Original air date |
| 1 | "Laughter" | February 22, 2008 (2008-02-22) |
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| 2 | "Deception" | February 29, 2008 (2008-02-29) |
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| 3 | "War of the Worlds" | March 7, 2008 (2008-03-07) |
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| 4 | "(So-Called) Life" | March 14, 2008 (2008-03-14) |
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| 5 | "Pop Music" | March 21, 2008 (2008-03-21) |
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### Episodes during Season 4 and before Season 5 (2008)

| # | Title | Original air date |
| 1 | "Jad and Robert: The Early Years" | May 6, 2008 (2008-05-06) |
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| 2 | "Open Outcry" | May 20, 2008 (2008-05-20) |
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| 3 | "Wordless Music" | June 3, 2008 (2008-06-03) |
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| 4 | "Earworms" | June 17, 2008 (2008-06-17) |
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| 5 | "City X" | July 1, 2008 (2008-07-01) |
| External link |||
| 6 | "Tell Me A Story" | July 29, 2008 (2008-07-29) |
| External link Robert Krulwich's commencement speech at Caltech. |||
| 7 | "The (Multi) Universe(s)" | August 12, 2008 (2008-08-12) |
| External link |||
| 8 | "Quantum Cello" | August 25, 2008 (2008-08-25) |
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| 9 | "Making the Hippo Dance" | September 9, 2008 (2008-09-09) |
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| 10 | "Chasing Bugs" | September 23, 2008 (2008-09-23) |
| External link An interview with E. O. Wilson. |||
| 11 | "Sperm Tales" | October 7, 2008 (2008-10-07) |
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| 12 | "Chris And Lisa" | October 21, 2008 (2008-10-21) |
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## Season 5 (2008)

| # | Title | Original air date |
| 1 | "Choice" | November 14, 2008 (2008-11-14) |
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| 2 | "Sperm" | November 21, 2008 (2008-11-21) |
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| 3 | "Race" | November 28, 2008 (2008-11-28) |
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| 4 | "Diagnosis" | December 5, 2008 (2008-12-05) |
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| 5 | "Yellow Fluff and Other Curious Encounters" | December 12, 2008 (2008-12-12) |
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### Episodes during Season 5 and before Season 6 (2009)

| # | Title | Original air date |
| 1 | "Parabolas (etc.)" | January 13, 2009 (2009-01-13) |
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| 2 | "The Obama Effect, Perhaps." | January 27, 2009 (2009-01-27) |
| External link |||
| 3 | "Darwinvaganza" | February 24, 2009 (2009-02-24) |
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| 4 | "Mischel’s Marshmallows" | March 9, 2009 (2009-03-09) |
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| 5 | "DIY Universe" | March 25, 2009 (2009-03-25) |
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| 6 | "In Silence" | April 7, 2009 (2009-04-07) |
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| 7 | "Juana Molina" | May 4, 2009 (2009-05-04) |
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| 8 | "AV Smackdown . . . The Podcast" | May 18, 2009 (2009-05-18) |
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| 9 | "Stayin' Alive" | June 2, 2009 (2009-06-02) |
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## Season 6 (2009)

| # | Title | Original air date |
| 1 | "Stochasticity" | June 15, 2009 (2009-06-15) |
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| 2 | "After Life" | July 27, 2009 (2009-07-27) |
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| 3 | "Parasites" | September 7, 2009 (2009-09-07) |
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| 4 | "New Normal?" | October 19, 2009 (2009-10-19) |
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| 5 | "Numbers" | November 30, 2009 (2009-11-30) |
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### Episodes during Season 6 and before Season 7 (2009)

| # | Title | Original air date |
| 1 | "Stochasticity Bonus Video!" | June 15, 2009 (2009-06-15) |
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| 2 | "Are We Coins?" | June 29, 2009 (2009-06-29) |
| External link |||
| 3 | "In Defense of Darwin?" | July 13, 2009 (2009-07-13) |
| External link |||
| 4 | "12: Proof" | August 10, 2009 (2009-08-10) |
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| 5 | "13: Gone" | August 11, 2009 (2009-08-11) |
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| 6 | "14: The Four Groans" | August 12, 2009 (2009-08-12) |
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| 7 | "15: Sum" | August 13, 2009 (2009-08-13) |
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| 8 | "16: Moments" | August 14, 2009 (2009-08-14) |
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| 9 | "After Birth" | August 24, 2009 (2009-08-24) |
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| 10 | "It Might Be Science" | September 21, 2009 (2009-09-21) |
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| 11 | "Blink" | October 5, 2009 (2009-10-05) |
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| 12 | "Helicopter Boy" | November 3, 2009 (2009-11-03) |
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| 13 | "Killing Babies, Saving the World" | November 16, 2009 (2009-11-16) |
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| 14 | "In C" | December 14, 2009 (2009-12-14) |
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## Season 7 (2010)

| # | Title | Original air date |
| 1 | "Animal Minds" | April 2, 2010 (2010-04-02) |
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| 2 | "Lucy" | April 9, 2010 (2010-04-09) |
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| 3 | "Limits" | April 16, 2010 (2010-04-16) |
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| 4 | "Famous Tumors" | May 7, 2010 (2010-05-07) |
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| 5 | "Who Are You?" | May 14, 2010 (2010-05-14) |
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### Episodes during Season 7 and before Season 8 (2010)

| # | Title | Original air date |
| 1 | "Fu Manchu" | January 25, 2010 (2010-01-25) |
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| 2 | "The Shy Baboon" | February 8, 2010 (2010-02-08) |
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| 3 | "Do I Know You?" | March 8, 2010 (2010-03-08) |
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| 4 | "The Bus Stop" | March 23, 2010 (2010-03-23) |
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| 5 | "The Loudest Miniature Fuzz" | April 20, 2010 (2010-04-20) |
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| 6 | "Vanishing Words" | May 5, 2010 (2010-05-05) |
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| 7 | "Strangers in the Mirror" | June 15, 2010 (2010-06-15) |
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## Season 8 (2010)

| No. | Title | Original air date |
| 1 | "Oops" | September 3, 2010 (2010-09-03) |
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| 2 | "Words" | September 10, 2010 (2010-09-10) |
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| 3 | "Falling" | September 20, 2010 (2010-09-20) |
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| 4 | "Cities" | October 8, 2010 (2010-10-08) |
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| 5 | "Fate and Fortune" | October 15, 2010 (2010-10-15) |
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### Episodes during Season 8 and before Season 9 (2010)

| No. | Title | Original air date |
| 1 | "The Luckiest Lobster" | July 12, 2010 (2010-07-12) |
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| 2 | "Secrets of Success" | July 26, 2010 (2010-07-26) |
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| 3 | "Bonus Video: Words" | August 9, 2010 (2010-08-09) |
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| 4 | "Voices in Your Head" | September 7, 2010 (2010-09-07) |
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| 5 | "The Walls of Jericho" | October 4, 2010 (2010-10-04) |
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| 6 | "Wild Talk" | October 18, 2010 (2010-10-18) |
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| 7 | "What Does Technology Want?" | November 16, 2010 (2010-11-16) |
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| 8 | "Gravitational Anarchy" | November 29, 2010 (2010-11-29) |
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## Season 9 (2010–2011)

| # | Title | Original air date |
| 1 | "The Good Show" | December 14, 2010 (2010-12-14) |
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| 2 | "Lost & Found" | January 25, 2011 (2011-01-25) |
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| 3 | "Help!" | March 8, 2011 (2011-03-08) |
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| 4 | "The Soul Patch" | April 1, 2011 (2011-04-01) |
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| 5 | "Desperately Seeking Symmetry" | April 18, 2011 (2011-04-18) |
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### Episodes during Season 9 and before Season 10 (2010–2011)

| # | Title | Original air date |
| 1 | "Blood Buddies" | December 28, 2010 (2010-12-28) |
| External link |||
| 2 | "The Universe Knows My Name" | January 11, 2011 (2011-01-11) |
| External link |||
| 3 | "Radiolab Presents: The Loneliness of the Goalkeeper" | February 8, 2011 (2011-02-08) |
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| 4 | "A Flock of Two" | February 22, 2011 (2011-02-22) |
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| 5 | "Pass the Science" | March 22, 2011 (2011-03-22) |
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| 6 | "In the Running" | April 5, 2011 (2011-04-05) |
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| 7 | "Radiolab Video: Symmetry" | April 18, 2011 (2011-04-18) |
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| 8 | "Cosmic Habituation" | May 3, 2011 (2011-05-03) |
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| 9 | "Dogs Gone Wild" | May 17, 2011 (2011-05-17) |
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## Season 10 (2011–2012)

| # | Title | Original air date |
| 1 | "Talking to Machines" | May 31, 2011 (2011-05-31) |
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| 2 | "Games" | August 23, 2011 (2011-08-23) |
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| 3 | "Loops" | October 4, 2011 (2011-10-04) |
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| 4 | "Patient Zero" | November 14, 2011 (2011-11-14) |
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| 5 | "The Bad Show" | January 9, 2012 (2012-01-09) |
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| 6 | "Escape!" | February 20, 2012 (2012-02-20) |
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| 7 | "Guts" | April 2, 2012 (2012-04-02) |
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| 8 | "Colors" | May 21, 2012 (2012-05-21) |
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| 9 | "When Brains Attack!" | June 22, 2012 (2012-06-22) |
| External Link |||
| 10 | "Ghost Stories" | June 29, 2012 (2012-06-29) |
| External Link |||

### Episodes during Season 10 and before Season 11 (2011–2012)

| # | Title | Original air date |
| 1 | "A Clockwork Miracle" | June 14, 2011 (2011-06-14) |
| External link |||
| 2 | "Curious Sounds: A Radiolab Concert" | June 27, 2011 (2011-06-27) |
| External link |||
| 3 | "A 4-Track Mind" | July 26, 2011 (2011-07-26) |
| External link |||
| 4 | "Damn It, Basal Ganglia" | August 9, 2011 (2011-08-09) |
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| 5 | "Mapping Tic Tac Toe-dom" | September 6, 2011 (2011-09-06) |
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| 6 | "Loop the Loop" | September 20, 2011 (2011-09-20) |
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| 7 | "Slow" | October 18, 2011 (2011-10-18) |
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| 8 | "Sleepless in South Sudan" | October 31, 2011 (2011-10-31) |
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| 9 | "Death Mask" | November 28, 2011 (2011-11-28) |
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| 10 | "Radiolab Presents: 99% Invisible" | December 12, 2011 (2011-12-12) |
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| 11 | "Mutant Rights" | December 22, 2011 (2011-12-22) |
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| 12 | "Wake Up and Dream" | January 23, 2012 (2012-01-23) |
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| 13 | "Killer Empathy" | February 6, 2012 (2012-02-06) |
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| 14 | "A War We Need" | March 5, 2012 (2012-03-05) |
| External link |||
| 15 | "The Turing Problem" | March 19, 2012 (2012-03-19) |
| External link |||
| 16 | "Crossroads" | April 16, 2012 (2012-04-16) |
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| 17 | "Fetal Consequences" | April 30, 2012 (2012-04-30) |
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| 18 | "Colors Sneak Peek" | May 14, 2012 (2012-05-14) |
| External link |||
| 19 | "Grumpy Old Terrorists" | June 4, 2012 (2012-06-04) |
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| 20 | "Unraveling Bolero" | June 18, 2012 (2012-06-18) |
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| 21 | "Radiolab Remixed" | July 2, 2012 (2012-07-02) |
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| 22 | "Double Blasted" | July 16, 2012 (2012-07-16) |
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| 23 | "Argentine Invasion" | July 30, 2012 (2012-07-30) |
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| 24 | "Inside "Ouch!"" | August 27, 2012 (2012-08-27) |
| External link |||
| 25 | "What a Slinky Knows" | September 10, 2012 (2012-09-10) |
| External link |||

## Season 11 (2012–2013)

| # | Title | Original air date |
| 1 | "The Fact of the Matter" | September 24, 2012 (2012-09-24) |
| External Link |||
| 2 | "Inheritance" | November 19, 2012 (2012-11-19) |
| External Link |||
| 3 | "Bliss" | December 17, 2012 (2012-12-17) |
| External Link |||
| 4 | "Speed" | February 5, 2013 (2013-02-05) |
| External link |||
| 5 | "Are You Sure?" | March 26, 2013 (2013-03-26) |
| External link |||
| 6 | "23 Weeks 6 Days" | April 30, 2013 (2013-04-30) |
| External link |||
| 7 | "Inner Voices" | June 27, 2013 (2013-06-27) |
| External link |||
| 8 | "Known Unknowns" | August 29, 2013 (2013-08-29) |
| External link |||
| 9 | "Of Men and Myths" | October 31, 2013 (2013-10-31) |
| External link |||
| 10 | "The Power of Music" | November 28, 2013 (2013-11-28) |
| External link |||

### Episodes during Season 11 and before Season 12 (2012–2013)

| # | Title | Original air date |
| 1 | "Dark Side of the Earth" | October 8, 2012 (2012-10-08) |
| External link |||
| 2 | "Seeing in the Dark" | October 22, 2012 (2012-10-22) |
| External link |||
| 3 | "What's Up, Doc?" | November 6, 2012 (2012-11-06) |
| External link |||
| 4 | "Raising Crane" | December 3, 2012 (2012-12-03) |
| External link |||
| 5 | "Solid as a Rock" | December 31, 2012 (2012-12-31) |
| External link |||
| 6 | "The Bitter End" | January 15, 2013 (2013-01-15) |
| External link |||
| 7 | "Speedy Beet" | February 19, 2013 (2013-02-19) |
| External link |||
| 8 | "The Man Behind the Maneuver" | March 5, 2013 (2013-03-05) |
| External link |||
| 9 | "Radiolab Presents: TJ & Dave" | April 2, 2013 (2013-04-02) |
| External link |||
| 10 | "The Distance of the Moon" | April 16, 2013 (2013-04-16) |
| External link |||
| 11 | "The Septendecennial Sing-Along" | May 14, 2013 (2013-05-14) |
| External link |||
| 12 | "VIDEO: Radiolab Behind the Scenes" | May 20, 2013 (2013-05-20) |
| External link |||
| 13 | "Adoptive Couple v. Baby Girl" | May 30, 2013 (2013-05-30) |
| External link |||
| 14 | "The Trouble with Everything" | June 13, 2013 (2013-06-13) |
| External link |||
| 15 | "Curious Sounds from the Solid Sound Festival" | June 27, 2013 (2013-06-27) |
| External link |||
| 16 | "Ally's Choice" | July 2, 2013 (2013-07-02) |
| External link |||
| 17 | "Happy Birthday, Good Dr. Sacks" | July 9, 2013 (2013-07-09) |
| External link |||

## Season 12 (2013–2014)

| # | Title | Original air date |
| 1 | "Blood" | July 31, 2013 (2013-07-31) |
| External Link |||
| 2 | "Blame" | September 12, 2013 (2013-09-12) |
| External Link |||
| 3 | "Apocalyptical - Live from the Paramount in Seattle" | December 9, 2013 (2013-12-09) |
| External Link |||
| 4 | "Black Box" | January 17, 2014 (2014-01-17) |
| External Link |||
| 5 | "Dead Reckoning" | February 19, 2014 (2014-02-19) |
| External Link |||
| 6 | "What's Left When You're Right?" | February 25, 2014 (2014-02-25) |
| External Link |||
| 7 | "60 Words" | April 18, 2014 (2014-04-18) |
| External Link |||
| 8 | "Things" | May 30, 2014 (2014-05-30) |
| External Link |||
| 9 | "Galapagos" | July 17, 2014 (2014-07-17) |
| External Link |||
| 10 | "Hello" | August 21, 2014 (2014-08-21) |
| External Link |||

### Episodes during Season 12 and before Season 13 (2013–2014)

| # | Title | Original air date |
| 1 | "Rodney Versus Death" | August 13, 2013 (2013-08-13) |
| External link |||
| 2 | "Dawn of Midi" | August 29, 2013 (2013-08-29) |
| External link |||
| 3 | "Poop Train" | September 24, 2013 (2013-09-24) |
| External link |||
| 4 | "Quicksaaaand!" | October 10, 2013 (2013-10-10) |
| External link |||
| 5 | "UPDATE: Famous Tumors" | October 22, 2013 (2013-10-22) |
| External link |||
| 6 | "Cut and Run" | November 1, 2013 (2013-11-01) |
| External link |||
| 7 | "An Ice-Cold Case" | November 19, 2013 (2013-11-19) |
| External link |||
| 8 | "VIDEO: Radiolab Live Apocalyptical Sneak Peek" | December 9, 2013 (2013-12-09) |
| External link |||
| 9 | "Sex, Ducks, and The Founding Feud" | December 19, 2013 (2013-12-19) |
| External link |||
| 10 | "The Times They Are a-Changin'" | December 30, 2013 (2013-12-30) |
| External link |||
| 11 | "Brown Box" | January 28, 2014 (2014-01-28) |
| External link |||
| 12 | "Neither Confirm Nor Deny" | February 12, 2014 (2014-02-12) |
| External link |||
| 13 | "Super Cool" | March 11, 2014 (2014-03-11) |
| External link |||
| 14 | "KILL 'EM ALL" | March 25, 2014 (2014-03-25) |
| External link |||
| 15 | "Straight Outta Chevy Chase" | April 1, 2014 (2014-04-01) |
| External link |||
| 16 | "For the Love of Numbers" | May 2, 2014 (2014-05-02) |
| External link |||
| 17 | "The Skull" | May 15, 2014 (2014-05-15) |
| External link |||
| 18 | "≤ kg" | June 13, 2014 (2014-06-13) |
| External link |||
| 19 | "9-Volt Nirvana" | June 26, 2014 (2014-06-26) |
| External link |||
| 20 | "For the Birds" | July 24, 2014 (2014-07-24) |
| External link |||
| 21 | "Happy Birthday Bobby K" | August 7, 2014 (2014-08-07) |
| External link |||
| 22 | "In the Dust of this Planet" | September 8, 2014 (2014-09-08) |
| External link |||
| 23 | "Juicervose" | September 18, 2014 (2014-09-18) |
| External link |||
| 24 | "John Luther Adams" | October 3, 2014 (2014-10-03) |
| External link |||

## Season 13 (2014–2015)

| # | Title | Original air date |
| 1 | "Translation" | October 20, 2014 (2014-10-20) |
| External Link |||
| 2 | "Jurisdiction" | November 5, 2014 (2014-11-05) |
| External Link |||
| 3 | "Patient Zero - Updated" | November 13, 2014 (2014-11-13) |
| External Link |||
| 4 | "Worth" | December 23, 2014 (2014-12-23) |
| External Link |||
| 5 | "American Football" | January 29, 2015 (2015-01-29) |
| External Link |||
| 6 | "La Mancha Screwjob" | February 24, 2015 (2015-02-24) |
| External Link |||
| 7 | "To See Or Not To See" | June 10, 2015 (2015-06-10) |
| External Link |||
| 8 | "Looking Back" | September 23, 2015 (2015-09-23) |
| External Link |||
| 9 | "Hello: The Broadcast" | September 30, 2015 (2015-09-30) |
| External Link |||
| 10 | "DIY" | November 12, 2015 (2015-11-12) |
| External Link |||

### Episodes during Season 13 and before Season 14 (2014–2015)

| # | Title | Original air date |
| 1 | "Haunted" | October 30, 2014 (2014-10-30) |
| External link |||
| 2 | "Outside Westgate" | November 29, 2014 (2014-11-29) |
| External link |||
| 3 | "Buttons Not Buttons" | December 12, 2014 (2014-12-12) |
| External link |||
| 4 | "Radiolab Presents: Invisibilia" | January 9, 2015 (2015-01-09) |
| External link |||
| 5 | "The Trust Engineers" | February 9, 2015 (2015-02-09) |
| External link |||
| 6 | "Fu-Go" | March 10, 2015 (2015-03-10) |
| External link |||
| 7 | "Los Frikis" | March 24, 2015 (2015-03-24) |
| External link |||
| 8 | "VIDEO: Radiolab Presents: Radio Ambulante" | April 2, 2015 (2015-04-02) |
| External link |||
| 9 | "The Living Room" | April 9, 2015 (2015-04-09) |
| External link |||
| 10 | "Sight Unseen" | April 28, 2015 (2015-04-28) |
| External link |||
| 11 | "Radiolab Live: Tell-Tale Hearts featuring Oliver Sacks" | May 12, 2015 (2015-05-12) |
| External link |||
| 12 | "Nazi Summer Camp" | May 22, 2015 (2015-05-22) |
| External link |||
| 13 | "Antibodies Part 1: CRISPR" | June 6, 2015 (2015-06-06) |
| External link |||
| 14 | "Eye in the Sky" | June 18, 2015 (2015-06-18) |
| External link |||
| 15 | "Mau Mau" | July 3, 2015 (2015-07-03) |
| External link |||
| 16 | "Gray's Donation" | July 16, 2015 (2015-07-16) |
| External link |||
| 17 | "Shrink" | July 30, 2015 (2015-07-30) |
| External link |||
| 18 | "From the Archives: Oliver Sacks' Table of Elements" | August 6, 2015 (2015-08-06) |
| External link |||
| 19 | "Elements" | August 23, 2015 (2015-08-23) |
| External Link |||
| 20 | "Remembering Oliver Sacks" | August 30, 2015 (2015-08-30) |
| External Link |||
| 21 | "The Rhino Hunter" | September 7, 2015 (2015-09-07) |
| External Link |||
| 22 | "Darkode" | September 21, 2015 (2015-09-21) |
| External Link |||
| 23 | "Smile My Ass" | October 6, 2015 (2015-10-06) |
| External Link |||
| 24 | "Update: New Normal?" | October 19, 2015 (2015-10-19) |
| External Link |||
| 25 | "Staph Retreat" | November 2, 2015 (2015-11-02) |
| External Link |||
| 26 | "Birthstory" | November 22, 2015 (2015-11-22) |
| External Link |||
| 27 | "The Cold War" | November 30, 2015 (2015-11-30) |
| External Link |||
| 28 | "The Fix" | December 8, 2015 (2015-12-08) |
| External Link |||

## Season 14 (2015–2016)

| # | Title | Original air date |
| 1 | "Music Lab" | December 23, 2015 (2015-12-23) |
| External Link |||
| 2 | "Wild Things" | March 23, 2016 (2016-03-23) |
| External Link |||
| 3 | "I Hart K-Pop" | April 20, 2016 (2016-04-20) |
| External Link |||
| 4 | "Love Supreme" | July 20, 2016 (2016-07-20) |
| External Link |||
| 5 | "Threat Level" | August 24, 2016 (2016-08-24) |
| External Link |||
| 6 | "Donation and Mutation" | September 21, 2016 (2016-09-21) |
| External Link |||
| 7 | "Watching You, Watching Me" | October 26, 2016 (2016-10-26) |
| External Link |||
| 8 | "Defying Odds" | November 23, 2016 (2016-11-23) |
| External Link |||
| 9 | "Weights and Measures" | December 14, 2016 (2016-12-14) |
| External Link |||

### Episodes during Season 14 and before Season 15 (2015–2016)

| # | Title | Original air date |
| 1 | "The Cathedral" | December 28, 2015 (2015-12-28) |
| External Link |||
| 2 | "I Don't Have To Answer That" | January 29, 2016 (2016-01-29) |
| External Link |||
| 3 | "Hard Knock Life" | February 12, 2016 (2016-02-12) |
| External Link |||
| 4 | "K-poparazzi" | February 24, 2016 (2016-02-24) |
| External Link |||
| 5 | "Debatable" | March 11, 2016 (2016-03-11) |
| External Link |||
| 6 | "Update: 23 Weeks 6 Days" | March 23, 2016 (2016-03-23) |
| External Link |||
| 7 | "Cellmates" | April 6, 2016 (2016-04-06) |
| External Link |||
| 8 | "On the Edge" | April 21, 2016 (2016-04-21) |
| External Link |||
| 9 | "Bigger Than Bacon" | May 9, 2016 (2016-05-09) |
| External Link |||
| 10 | "Coming Soon: More Perfect" | May 24, 2016 (2016-05-24) |
| External Link |||
| 11 | "The Buried Bodies Case" | June 3, 2016 (2016-06-03) |
| External Link |||
| 12 | "Radiolab Presents: More Perfect - The Political Thicket" | June 10, 2016 (2016-06-10) |
| External Link |||
| 13 | "Radiolab Presents: More Perfect - The Imperfect Plaintiffs" | June 28, 2016 (2016-06-28) |
| External Link |||
| 14 | "David and the Wire" | July 12, 2016 (2016-07-12) |
| External Link |||
| 15 | "From Tree to Shining Tree" | July 30, 2016 (2016-07-30) |
| External Link |||
| 16 | "Playing God" | August 21, 2016 (2016-08-21) |
| External Link |||
| 17 | "The Girl Who Doesn't Exist" | August 29, 2016 (2016-08-29) |
| External Link |||
| 18 | "Update: Eye In the Sky" | September 12, 2016 (2016-09-12) |
| External Link |||
| 19 | "The Primitive Streak" | September 23, 2016 (2016-09-23) |
| External Link |||
| 20 | "Seneca, Nebraska" | October 12, 2016 (2016-10-12) |
| External Link |||
| 21 | "Alpha Gal" | October 27, 2016 (2016-10-27) |
| External Link |||
| 22 | "One Vote" | November 7, 2016 (2016-11-07) |
| External Link |||
| 23 | "Radiolab Presents: More Perfect - Object Anyway" | November 22, 2016 (2016-11-22) |
| External Link |||
| 24 | "Bringing Gamma Back" | December 8, 2016 (2016-12-08) |
| External Link |||
| 25 | "It's Not Us, It's You" | December 16, 2016 (2016-12-16) |
| External Link |||
| 26 | "Lose Lose" | December 30, 2016 (2016-12-30) |
| External Link |||

## Season 15 (2017)

| # | Title | Original air date |
| 1 | "Playing God: The Broadcast" | January 11, 2017 (2017-01-11) |
| External Link |||
| 2 | "Man vs Machine" | February 8, 2017 (2017-02-08) |
| External Link |||
| 3 | "Epic Battles" | March 15, 2017 (2017-03-15) |
| External Link |||
| 4 | "One Vote: The Broadcast" | April 12, 2017 (2017-04-12) |
| External Link |||
| 5 | "Earth Oddities" | June 14, 2017 (2017-06-14) |
| External Link |||
| 6 | "The War On Our Shore" | July 14, 2017 (2017-07-14) |
| External Link |||
| 7 | "Nukes: The Broadcast" | October 3, 2017 (2017-10-03) |
| External Link |||
| 8 | "Saving Animals" | December 6, 2017 (2017-12-06) |
| External Link |||

### Episodes during Season 15 and before Season 16 (2017)

| # | Title | Original air date |
| 1 | "Radiolab Presents: On the Media: Busted, America's Poverty Myths" | January 18, 2017 (2017-01-18) |
| External Link |||
| 2 | "Stranger in Paradise" | January 27, 2017 (2017-01-27) |
| External Link |||
| 3 | "Radiolab Presents: Ponzi Supernova" | February 10, 2017 (2017-02-10) |
| External Link |||
| 4 | "Update: CRISPR" | February 24, 2017 (2017-02-24) |
| External Link |||
| 5 | "Shots Fired: Part 1" | March 17, 2017 (2017-03-17) |
| External Link |||
| 6 | "Shots Fired: Part 2" | March 24, 2017 (2017-03-24) |
| External Link |||
| 7 | "Nukes" | April 7, 2017 (2017-04-07) |
| External Link |||
| 8 | "Radiolab Extra: Henrietta Lacks" | April 18, 2017 (2017-04-18) |
| External Link |||
| 9 | "Funky Hand Jive" | April 26, 2017 (2017-04-26) |
| External Link |||
| 10 | "Null and Void" | May 12, 2017 (2017-05-12) |
| External Link |||
| 11 | "The Radio Lab" | May 25, 2017 (2017-05-25) |
| External Link |||
| 12 | "The Gondolier" | June 15, 2017 (2017-06-15) |
| External Link |||
| 13 | "Revising the Fault Line" | June 27, 2017 (2017-06-27) |
| External Link |||
| 14 | "The Ceremony" | July 14, 2017 (2017-07-14) |
| External Link |||
| 15 | "Breaking News" | July 27, 2017 (2017-07-27) |
| External Link |||
| 16 | "Truth Warriors" | August 3, 2017 (2017-08-03) |
| External Link |||
| 17 | "Truth Trolls" | August 10, 2017 (2017-08-10) |
| External Link |||
| 18 | "Where the Sun Don't Shine" | August 23, 2017 (2017-08-23) |
| External Link |||
| 19 | "Radiolab Presents: Anna in Somalia" | September 12, 2017 (2017-09-12) |
| External Link |||
| 20 | "Oliver Sipple" | September 21, 2017 (2017-09-21) |
| External Link |||
| 21 | "Driverless Dilemma" | September 26, 2017 (2017-09-26) |
| External Link |||
| 22 | "Radiolab Presents: More Perfect - American Pendulum I" | October 2, 2017 (2017-10-02) |
| External Link |||
| 23 | "Father K" | October 12, 2017 (2017-10-12) |
| External Link |||
| 24 | "Oliver Sacks: A Journey From Where to Where" | October 27, 2017 (2017-10-27) |
| External Link |||
| 25 | "Match Made in Marrow" | November 9, 2017 (2017-11-09) |
| External Link |||
| 26 | "Stereothreat" | November 23, 2017 (2017-11-23) |
| External Link |||
| 27 | "Radiolab Presents: More Perfect - Mr. Graham and the Reasonable Man" | November 30, 2017 (2017-11-30) |
| External Link |||
| 28 | "Super Cool" | December 5, 2017 (2017-12-05) |
| External Link |||
| 29 | "Big Little Questions" | December 20, 2017 (2017-12-20) |
| External Link |||
| 30 | "Bigger Little Questions" | December 22, 2017 (2017-12-22) |
| External Link |||
| 31 | "Inside Radiolab (Video)" | December 29, 2017 (2017-12-29) |
| External Link |||
| 32 | "How to Be a Hero" | January 9, 2018 (2018-01-09) |
| External Link |||
| 33 | "The Voice in Your Head - A Tribute to Joe Frank" | January 23, 2018 (2018-01-23) |
| External Link |||
| 34 | "Radiolab Presents: More Perfect - One Nation, Under Money" | January 31, 2018 (2018-01-31) |
| External Link |||
| 35 | "Ghosts of Football Past" | February 3, 2018 (2018-02-03) |
| External Link |||

## After Season 15 (2018– )
### 2018

| # | Title | Original air date |
| 1 | "Smarty Plants" | February 13, 2018 (2018-02-13) |
| External Link |||
| 2 | "The Curious Case of the Russian Flash Mob at the West Palm Beach Cheesecake Factory" | February 19, 2018 (2018-02-19) |
| External Link |||
| 3 | "Radiolab Presents: More Perfect - The Gun Show" | February 23, 2018 (2018-02-23) |
| External Link |||
| 4 | "Rippin’ the Rainbow an Even Newer One" | March 15, 2018 (2018-03-15) |
| External Link |||
| 5 | "Border Trilogy Part 1: Hole in the Fence" | March 23, 2018 (2018-03-23) |
| External Link |||
| 6 | "Border Trilogy Part 2: Hold the Line" | April 5, 2018 (2018-04-05) |
| External Link |||
| 7 | "Border Trilogy Part 3: What Remains" | April 20, 2018 (2018-04-20) |
| External Link |||
| 8 | "Dark Side of the Earth" | April 26, 2018 (2018-04-26) |
| External Link |||
| 9 | "More or Less Human" | May 17, 2018 (2018-05-17) |
| External Link |||
| 10 | "Unraveling Bolero" | May 22, 2018 (2018-05-22) |
| External Link |||
| 11 | "Poison Control" | June 1, 2018 (2018-06-01) |
| External Link |||
| 12 | "Birthstory" | June 7, 2018 (2018-06-07) |
| External Link |||
| 13 | "Gonads: The Primordial Journey" | June 15, 2018 (2018-06-15) |
| External Link |||
| 14 | "Gonads: Fronads" | June 23, 2018 (2018-06-23) |
| External Link |||
| 15 | "Gonads: X & Y" | June 30, 2018 (2018-06-30) |
| External Link |||
| 16 | "Gonads: Dutee" | July 21, 2018 (2018-07-21) |
| External Link |||
| 17 | "Gonads: Dana" | July 21, 2018 (2018-07-21) |
| External Link |||
| 18 | "Gonads: Sex Ed" | July 26, 2018 (2018-07-26) |
| External Link |||
| 19 | "The Bad Show" | July 27, 2018 (2018-07-27) |
| External Link |||
| 20 | "Post No Evil" | August 17, 2018 (2018-08-17) |
| External Link |||
| 21 | "27: The Most Perfect Album" | September 18, 2018 (2018-09-18) |
| External Link |||
| 22 | "Infective Heredity" | September 20, 2018 (2018-09-20) |
| External Link |||
| 23 | "Breaking Bad News Bears" | September 28, 2018 (2018-09-28) |
| External Link |||
| 24 | "In the No Part 1" | October 11, 2018 (2018-10-11) |
| External Link |||
| 25 | "In the No Part 2" | October 18, 2018 (2018-10-18) |
| External Link |||
| 26 | "In the No Part 3" | October 25, 2018 (2018-10-25) |
| External Link |||
| 27 | "War of the Worlds" | October 30, 2018 (2018-10-30) |
| External Link |||
| 28 | "Tweak the Vote" | November 4, 2018 (2018-11-04) |
| External Link |||
| 29 | "UnErased: Dr. Davison and the Gay Cure" | November 21, 2018 (2018-11-21) |
| External Link |||
| 30 | "UnErased: Smid" | November 27, 2018 (2018-11-27) |
| External Link |||
| 31 | "Apologetical" | December 21, 2018 (2018-12-21) |
| External Link |||
| 32 | "A Clockwork Miracle" | December 27, 2018 (2018-12-27) |
| External Link |||
| 33 | "BONUS: Radiolab Scavenger Hunt" | December 28, 2018 (2018-12-28) |
| External Link |||

### 2019

| # | Title | Original air date |
| 1 | "The Punchline" | January 16, 2019 (2019-01-16) |
| External Link |||
| 2 | "More Perfect: Sex Appeal" | January 22, 2019 (2019-01-22) |
| External Link |||
| 3 | "The Beauty Puzzle" | February 7, 2019 (2019-02-07) |
| External Link |||
| 4 | "Loops" | February 21, 2019 (2019-02-21) |
| External Link |||
| 5 | "Asking for a Friend" | February 28, 2019 (2019-02-28) |
| External Link |||
| 6 | "Asking for Another Friend" | March 7, 2019 (2019-03-07) |
| External Link |||
| 7 | "Bliss" | March 21, 2019 (2019-03-21) |
| External Link |||
| 8 | "For Whom the Cowbell Tolls" | March 29, 2019 (2019-03-29) |
| External Link |||
| 9 | "Americanish" | April 19, 2019 (2019-04-19) |
| External Link |||
| 10 | "Fu-Go" | April 25, 2019 (2019-04-25) |
| External Link |||
| 11 | "Dinopocalypse Redux" | May 2, 2019 (2019-05-02) |
| External Link |||
| 12 | "Bit Flip" | May 8, 2019 (2019-05-08) |
| External Link |||
| 13 | "The Good Samaritan" | May 24, 2019 (2019-05-24) |
| External Link |||
| 14 | "Neither Confirm Nor Deny" | June 4, 2019 (2019-06-04) |
| External Link |||
| 15 | "G: The Miseducation of Larry P" | June 7, 2019 (2019-06-07) |
| External Link |||
| 16 | "G: Problem Space" | June 13, 2019 (2019-06-13) |
| External Link |||
| 17 | "G: Relative Genius" | June 28, 2019 (2019-06-28) |
| External Link |||
| 18 | "G: Unfit" | July 17, 2019 (2019-07-17) |
| External Link |||
| 19 | "G: Unnatural Selection" | July 25, 2019 (2019-07-25) |
| External Link |||
| 20 | "G: The World's Smartest Animal" | July 29, 2019 (2019-07-29) |
| External Link |||
| 21 | "More Perfect: Cruel and Unusual" | August 8, 2019 (2019-08-08) |
| External Link |||
| 22 | "Right to be Forgotten" | August 23, 2019 (2019-08-23) |
| External Link |||
| 23 | "The Memory Palace" | August 27, 2019 (2019-08-27) |
| External Link |||
| 24 | "What's Left When You're Right?" | September 5, 2019 (2019-09-05) |
| External Link |||
| 25 | "Tit for Tat" | September 17, 2019 (2019-09-17) |
| External Link |||
| 26 | "Silky Love" | September 27, 2019 (2019-09-27) |
| External Link |||
| 27 | "Radiolab Presents: Dolly Parton's America" | October 15, 2019 (2019-10-15) |
| External Link |||
| 28 | "Birdie in the Cage" | October 22, 2019 (2019-10-22) |
| External Link |||
| 29 | "Songs that Cross Borders" | October 29, 2019 (2019-10-29) |
| External Link |||
| 30 | "Dolly Parton's America: Neon Moss" | November 7, 2019 (2019-11-07) |
| External Link |||
| 31 | "Breaking News" | November 19, 2019 (2019-11-19) |
| External Link |||
| 32 | "Breaking Bongo" | November 26, 2019 (2019-11-26) |
| External Link |||
| 33 | "Things" | December 12, 2019 (2019-12-12) |
| External Link |||
| 34 | "There and Back Again" | December 18, 2019 (2019-12-18) |
| External Link |||
| 35 | "Man Against Horse" | December 27, 2019 (2019-12-27) |
| External Link |||

### 2020

| # | Title | Original air date |
| 1 | "60 Words" | January 7, 2020 (2020-01-07) |
| External Link |||
| 2 | "Body Count" | January 24, 2020 (2020-01-24) |
| External Link |||
| 3 | "The Bobbys" | January 30, 2020 (2020-01-30) |
| External Link |||
| 4 | "The Other Latif: Episode 1" | February 4, 2020 (2020-02-04) |
| External Link |||
| 5 | "The Other Latif: Episode 2" | February 11, 2020 (2020-02-11) |
| External Link |||
| 6 | "The Other Latif: Episode 3" | February 18, 2020 (2020-02-18) |
| External Link |||
| 7 | "The Other Latif: Episode 4" | February 25, 2020 (2020-02-25) |
| External Link |||
| 8 | "The Other Latif: Bonus Episode!" | March 3, 2020 (2020-03-03) |
| External Link |||
| 9 | "The Other Latif: Episode 5" | March 6, 2020 (2020-03-06) |
| External Link |||
| 10 | "The Other Latif: Episode 6" | March 17, 2020 (2020-03-17) |
| External Link |||
| 11 | "Dispatch 1: Numbers" | March 27, 2020 (2020-03-27) |
| External Link |||
| 12 | "Dispatch 2: Every Day is Ignaz Semmelweis Day" | April 1, 2020 (2020-04-01) |
| External Link |||
| 13 | "Dispatch 3: Shared Immunity" | April 3, 2020 (2020-04-03) |
| External Link |||
| 14 | "Space" | April 6, 2020 (2020-04-06) |
| External Link |||
| 15 | "Dispatch 4: Six Feet" | April 10, 2020 (2020-04-10) |
| External Link |||
| 16 | "The Cataclysm Sentence" | April 18, 2020 (2020-04-18) |
| External Link |||
| 17 | "Atomic Artifacts" | April 24, 2020 (2020-04-24) |
| External Link |||
| 18 | "Dispatch 5: Don't Stop Believin'" | May 6, 2020 (2020-05-06) |
| External Link |||
| 19 | "David and Dominique" | May 8, 2020 (2020-05-08) |
| External Link |||
| 20 | "Why Fish Don't Exist" | May 13, 2020 (2020-05-13) |
| External Link |||
| 21 | "Octomom" | May 15, 2020 (2020-05-15) |
| External Link |||
| 22 | "Speedy Beet" | May 22, 2020 (2020-05-22) |
| External Link |||
| 23 | "Dispatch 6: Strange Times" | May 29, 2020 (2020-05-29) |
| External Link |||
| 24 | "Nina" | June 6, 2020 (2020-06-06) |
| External Link |||
| 25 | "Graham" | June 6, 2020 (2020-06-06) |
| External Link |||
| 26 | "The Liberation of RNA" | June 13, 2020 (2020-06-13) |
| External Link |||
| 27 | "Post No Evil Redux" | June 19, 2020 (2020-06-19) |
| External Link |||
| 28 | "The Third. A TED Talk." | June 25, 2020 (2020-06-25) |
| External Link |||
| 29 | "The Flag and the Fury" | July 12, 2020 (2020-07-12) |
| External Link |||
| 30 | "Dispatches from 1918" | July 17, 2020 (2020-07-17) |
| External Link |||
| 31 | "Baby Blue Blood Drive" | July 23, 2020 (2020-07-23) |
| External Link |||
| 32 | "Invisible Allies" | July 30, 2020 (2020-07-30) |
| External Link |||
| 33 | "Uncounted" | August 7, 2020 (2020-08-07) |
| External Link |||
| 34 | "The Wubi Effect" | August 14, 2020 (2020-08-14) |
| External Link |||
| 35 | "Lebanon, USA" | August 20, 2020 (2020-08-20) |
| External Link |||
| 36 | "Translation" | August 27, 2020 (2020-08-27) |
| External Link |||
| 37 | "Fungus Amungus" | September 4, 2020 (2020-09-04) |
| External Link |||
| 38 | "Bringing Gamma Back, Again" | September 10, 2020 (2020-09-10) |
| External Link |||
| 39 | "Falling" | September 17, 2020 (2020-09-17) |
| External Link |||
| 40 | "More Perfect: Sex Appeal" | September 18, 2020 (2020-09-18) |
| External Link |||
| 41 | "Insomnia Line" | September 25, 2020 (2020-09-25) |
| External Link |||
| 42 | "No Special Duty" | October 2, 2020 (2020-10-02) |
| External Link |||
| 43 | "Kittens Kick the Giggly Blue Robot All Summer" | October 8, 2020 (2020-10-08) |
| External Link |||
| 44 | "What If?" | October 23, 2020 (2020-10-23) |
| External Link |||
| 45 | "How to Win Friends and Influence Baboons" | October 31, 2020 (2020-10-31) |
| External Link |||
| 46 | "Bloc Party" | November 2, 2020 (2020-11-02) |
| External Link |||
| 47 | "Breaking Benford" | November 13, 2020 (2020-11-13) |
| External Link |||
| 48 | "Deception" | November 19, 2020 (2020-11-19) |
| External Link |||
| 49 | "Dispatch 13: Challenge Trials" | November 24, 2020 (2020-11-24) |
| External Link |||
| 50 | "The Great Vaccinator" | December 3, 2020 (2020-12-03) |
| External Link |||
| 51 | "Enemy of Mankind" | December 10, 2020 (2020-12-10) |
| External Link |||
| 52 | "The Ashes on the Lawn" | December 18, 2020 (2020-12-18) |
| External Link |||
| 53 | "A Terrible Covid Christmas Special" | December 23, 2020 (2020-12-23) |
| External Link |||

### 2021

| # | Title | Original air date |
| 1 | "Sight Unseen" | January 13, 2021 (2021-01-13) |
| External Link |||
| 2 | "More Money Less Problems" | January 15, 2021 (2021-01-15) |
| External Link TBD |||
| 3 | "Post Reports: Four Hours of Insurrection" | January 16, 2021 (2021-01-16) |
| External Link TBD |||
| 4 | "Smile My Ass" | January 28, 2021 (2021-01-28) |
| External Link TBD |||
| 5 | "Facebook's Supreme Court" | February 12, 2021 (2021-02-12) |
| External Link TBD |||
| 6 | "Red Herring" | February 19, 2021 (2021-02-19) |
| External Link TBD |||
| 7 | "The Ceremony" | February 25, 2021 (2021-02-25) |
| External Link TBD |||
| 8 | "Dispatch 14: Covid Crystal Ball" | March 12, 2021 (2021-03-12) |
| External Link TBD |||
| 9 | "Escapescape" | March 18, 2021 (2021-03-18) |
| External Link TBD |||
| 10 | "Elements" | March 25, 2021 (2021-03-25) |
| External Link TBD |||
| 11 | "What Up Homies?" | April 2, 2021 (2021-04-02) |
| External Link TBD |||
| 12 | "The Septendecennial Sing-Along" | April 15, 2021 (2021-04-15) |
| External Link TBD |||
| 13 | "Deep Cuts" | April 22, 2021 (2021-04-22) |
| External Link TBD |||
| 14 | "Klepotherms" | May 5, 2021 (2021-05-05) |
| External Link TBD |||
| 15 | "Brown Box" | May 13, 2021 (2021-05-13) |
| External Link TBD |||
| 16 | "The Dirty Drug and the Ice Cream Tub" | May 21, 2021 (2021-05-21) |
| External Link TBD |||
| 17 | "The Rhino Hunter" | May 27, 2021 (2021-05-27) |
| External Link TBD |||
| 18 | "Breath" | June 11, 2021 (2021-06-11) |
| External Link TBD |||
| 19 | "The Vanishing of Harry Pace: Episode 1" | June 18, 2021 (2021-06-18) |
| External Link TBD |||
| 20 | "The Vanishing of Harry Pace: Episode 2" | June 18, 2021 (2021-06-18) |
| External Link TBD |||
| 21 | "The Vanishing of Harry Pace: Episode 3" | June 25, 2021 (2021-06-25) |
| External Link TBD |||
| 22 | "The Vanishing of Harry Pace: Episode 4" | June 28, 2021 (2021-06-28) |
| External Link TBD |||
| 23 | "The Vanishing of Harry Pace: Episode 5" | July 2, 2021 (2021-07-02) |
| External Link TBD |||
| 24 | "The Vanishing of Harry Pace: Episode 6" | July 9, 2021 (2021-07-09) |
| External Link TBD |||
| 25 | "G: Unfit" | July 15, 2021 (2021-07-15) |
| External Link TBD |||
| 26 | "Breaking News about The Other Latif" | July 19, 2021 (2021-07-19) |
| External Link TBD |||
| 27 | "The Queen of Dying" | July 23, 2021 (2021-07-23) |
| External Link TBD |||
| 28 | "Gonads: Dutee" | August 5, 2021 (2021-08-05) |
| External Link TBD |||
| 29 | "Everybody's Got One" | August 21, 2021 (2021-08-21) |
| External Link TBD |||
| 30 | "The Unsilencing" | August 26, 2021 (2021-08-26) |
| External Link TBD |||
| 31 | "60 Words, 20 Years" | September 10, 2021 (2021-09-10) |
| External Link TBD |||
| 32 | "In the Running" | September 17, 2021 (2021-09-17) |
| External Link TBD |||
| 33 | "HEAVY METAL" | September 24, 2021 (2021-09-24) |
| External Link TBD |||
| 34 | "Oliver Sipple" | October 1, 2021 (2021-10-01) |
| External Link TBD |||
| 35 | "Of Bombs and Butterflies" | October 15, 2021 (2021-10-15) |
| External Link TBD |||
| 36 | "Mixtape: Dakou" | October 22, 2021 (2021-10-22) |
| External Link TBD |||
| 37 | "Mixtape: Jack and Bing" | October 29, 2021 (2021-10-29) |
| External Link TBD |||
| 38 | "Mixtape: The Wandering Soul" | November 5, 2021 (2021-11-05) |
| External Link TBD |||
| 39 | "Mixtape: Cassetternet" | November 12, 2021 (2021-11-12) |
| External Link TBD |||
| 40 | "Mixtape: Help?" | November 19, 2021 (2021-11-19) |
| External Link TBD |||
| 41 | "Animal Minds" | November 26, 2021 (2021-11-26) |
| External Link TBD |||
| 42 | "Return of Alpha Gal" | December 10, 2021 (2021-12-10) |
| External Link TBD |||
| 43 | "Vanishing Words" | December 17, 2021 (2021-12-17) |
| External Link TBD |||
| 44 | "Flop Off" | December 31, 2021 (2021-12-31) |
| External Link TBD |||

### 2022

| # | Title | Original air date |
| 1 | "Worst. Year. Ever." | January 7, 2022 (2022-01-07) |
| External Link TBD |||
| 2 | "Darkode" | January 14, 2022 (2022-01-14) |
| External Link TBD |||
| 3 | "The 11th: A Letter From George" | January 21, 2022 (2022-01-21) |
| External Link TBD |||
| 4 | "The First Radiolab" | January 28, 2022 (2022-01-28) |
| External Link This is a rerun from the very first episode of Radiolab. |||
| 5 | "Forests on Forests" | February 4, 2022 (2022-02-04) |
| External Link TBD |||
| 6 | "Hello" | February 11, 2022 (2022-02-11) |
| External Link TBD |||
| 7 | "The Wordless Place" | February 18, 2022 (2022-02-18) |
| External Link TBD |||
| 8 | "Speed" | February 25, 2022 (2022-02-25) |
| External Link TBD |||
| 9 | "Life in a Barrel" | March 4, 2022 (2022-03-04) |
| External Link TBD |||
| 10 | "The Helen Keller Exorcism" | March 11, 2022 (2022-03-11) |
| External Link TBD |||
| 11 | "Stress" | March 18, 2022 (2022-03-18) |
| External Link TBD |||
| 12 | "The Right Stuff" | March 25, 2022 (2022-03-25) |
| External Link TBD |||
| 13 | "Inheritance" | April 1, 2022 (2022-04-01) |
| External Link TBD |||
| 14 | "In the Dust of This Planet" | April 8, 2022 (2022-04-08) |
| External Link TBD |||
| 15 | "NULL" | April 15, 2022 (2022-04-15) |
| External Link TBD |||
| 16 | "The Other Latif: Cuba-ish" | April 22, 2022 (2022-04-22) |
| External Link TBD |||
| 17 | "Hello, My Name Is" | April 29, 2022 (2022-04-29) |
| External Link TBD |||
| 18 | "Debatable" | May 6, 2022 (2022-05-06) |
| External Link TBD |||
| 19 | "Frailmales" | May 13, 2022 (2022-05-13) |
| External Link TBD |||
| 20 | "La Mancha Screwjob" | May 20, 2022 (2022-05-20) |
| External Link |||
| 21 | "Radiolab After Dark" | May 27, 2022 (2022-05-27) |
| External Link TBD |||
| 22 | "Origin Stories" | June 3, 2022 (2022-06-03) |
| External Link TBD |||
| 23 | "Neanderthal's Revenge" | June 10, 2022 (2022-06-10) |
| External Link TBD |||
| 24 | "No Special Duty" | June 17, 2022 (2022-06-17) |
| External Link TBD |||
| 25 | "Galápagos" | June 24, 2022 (2022-06-24) |
| External Link TBD |||
| 26 | "My Thmyus, Myself" | June 30, 2022 (2022-06-30) |
| External Link TBD |||
| 27 | "Baby Blue Blood Drive" | July 8, 2022 (2022-07-08) |
| External Link TBD |||
| 28 | "The Gatekeeper" | July 15, 2022 (2022-07-15) |
| External Link TBD |||
| 29 | "You v. You" | July 22, 2022 (2022-07-22) |
| External Link TBD |||
| 30 | "The Humpback and the Killer" | July 29, 2022 (2022-07-29) |
| External Link TBD |||
| 31 | "Escape" | August 5, 2022 (2022-08-05) |
| External Link TBD |||
| 32 | "Infinities" | August 12, 2022 (2022-08-12) |
| External Link TBD |||
| 33 | "9-Volt Nirvana" | August 19, 2022 (2022-08-19) |
| External Link TBD |||
| 34 | "Gigaverse" | August 26, 2022 (2022-08-26) |
| External Link TBD |||
| 35 | "Rodney v. Death" | September 2, 2022 (2022-09-02) |
| External Link TBD |||
| 36 | "40,000 Recipes for Murder" | September 9, 2022 (2022-09-09) |
| External Link TBD |||
| 37 | "Quicksaaaand!" | September 16, 2022 (2022-09-16) |
| External Link TBD |||
| 38 | "Terrestrials: The Mastermind" | September 23, 2022 (2022-09-23) |
| External Link TBD |||
| 39 | "Playing God" | September 30, 2022 (2022-09-30) |
| External Link TBD |||
| 40 | "The Theater of David Byrne's Mind" | October 7, 2022 (2022-10-07) |
| External Link TBD |||
| 41 | "No Touch Abortion" | October 14, 2022 (2022-10-14) |
| External Link TBD |||
| 42 | "Black Box" | October 21, 2022 (2022-10-21) |
| External Link TBD |||
| 43 | "The Weather Report" | October 28, 2022 (2022-10-28) |
| External Link TBD |||
| 44 | "Guts" | November 4, 2022 (2022-11-04) |
| External Link TBD |||
| 45 | "Butt Stuff" | November 11, 2022 (2022-11-11) |
| External Link TBD |||
| 46 | "What's Up Doc?" | November 18, 2022 (2022-11-18) |
| External Link TBD |||
| 47 | "More Perfect: The Political Thicket" | November 25, 2022 (2022-11-25) |
| External Link |||
| 48 | "The Ashes on the Lawn" | December 2, 2022 (2022-12-02) |
| External Link TBD |||
| 49 | "The Middle of Everything" | December 9, 2022 (2022-12-09) |
| External Link TBD |||
| 50 | "Null and Void" | December 16, 2022 (2022-12-16) |
| External Link TBD |||
| 51 | "The Flight Before Christmas" | December 23, 2022 (2022-12-23) |
| External Link TBD |||
| 52 | "New Normal" | December 30, 2022 (2022-12-30) |
| External Link TBD |||

### 2023

| # | Title | Original air date |
| 1 | "Universe In Verse" | January 6, 2023 (2023-01-06) |
| External Link TBD |||
| 2 | "Games" | January 13, 2023 (2023-01-13) |
| External Link TBD |||
| 3 | "Ukraine: Under the Counter" | January 20, 2023 (2023-01-20) |
| External Link TBD |||
| 4 | "Birthstory" | January 27, 2023 (2023-01-27) |
| External Link TBD |||
| 5 | "Ukraine: The Handoff" | February 3, 2023 (2023-02-03) |
| External Link TBD |||
| 6 | "Bliss" | February 10, 2023 (2023-02-10) |
| External Link TBD |||
| 7 | "Golden Goose" | February 17, 2023 (2023-02-17) |
| External Link TBD |||
| 8 | "The Trust Engineers" | February 24, 2023 (2023-02-24) |
| External Link TBD |||
| 9 | "Crabs All the Way Down" | March 3, 2023 (2023-03-03) |
| External Link TBD |||
| 10 | "Buttons Not Buttons" | March 10, 2023 (2023-03-10) |
| External Link TBD |||
| 11 | "Apologetical" | March 17, 2023 (2023-03-17) |
| External Link TBD |||
| 12 | "Alone Enough" | March 24, 2023 (2023-03-24) |
| External Link TBD |||
| 13 | "The Good Samaritan" | March 31, 2023 (2023-03-31) |
| External Link TBD |||
| 14 | "The Library of Alexandria" | April 7, 2023 (2023-04-07) |
| External Link TBD |||
| 15 | "Abortion Pills, Take Two" | March 17, 2023 (2023-03-17) |
| External Link TBD |||
| 16 | "Corpse Demon" | April 21, 2023 (2023-04-21) |
| External Link TBD |||
| 17 | "The Golden Rule" | April 28, 2023 (2023-04-28) |
| External Link TBD |||
| 18 | "Ologies: Dark Matters" | May 3, 2023 (2023-05-03) |
| External Link TBD |||
| 19 | "The War on Our Shore" | May 12, 2023 (2023-05-12) |
| External Link TBD |||
| 20 | "Family People" | May 19, 2023 (2023-05-19) |
| External Link TBD |||
| 21 | "On the Edge" | May 26, 2023 (2023-05-26) |
| External Link TBD |||
| 22 | "The Seagulls" | June 2, 2023 (2023-06-02) |
| External Link TBD |||
| 23 | "Eye in the Sky" | June 9, 2023 (2023-06-09) |
| External Link TBD |||
| 24 | "Beware the Sand Striker" | June 16, 2023 (2023-06-16) |
| External Link TBD |||
| 25 | "Americanish" | June 23, 2023 (2023-06-23) |
| External Link TBD |||
| 26 | "The Cataclysm Sentence" | June 30, 2023 (2023-06-30) |
| External Link TBD |||
| 27 | "Man Against Horse" | July 7, 2023 (2023-07-07) |
| External Link TBD |||
| 28 | "The Fellowship of the Tree Rings" | July 14, 2023 (2023-07-14) |
| External Link TBD |||
| 29 | "The Right Stuff" | July 21, 2023 (2023-07-21) |
| External Link TBD |||
| 30 | "Little Black Holes Everywhere" | July 28, 2023 (2023-07-28) |
| External Link TBD |||
| 31 | "Right to be Forgotten" | August 4, 2023 (2023-08-04) |
| External Link TBD |||
| 32 | "The Internet Dilemma" | August 11, 2023 (2023-08-11) |
| External Link TBD |||
| 33 | "The Wubi Effect" | August 18, 2023 (2023-08-18) |
| External Link TBD |||
| 34 | "Rumble Strip: Finn and the Bell" | August 25, 2023 (2023-08-25) |
| External Link TBD |||
| 35 | "Touch at a Distance" | September 1, 2023 (2023-09-01) |
| External Link TBD |||
| 36 | "Born this Way?" | September 8, 2023 (2023-09-08) |
| External Link TBD |||
| 37 | "Driverless Dilemma" | September 15, 2023 (2023-09-15) |
| External Link TBD |||
| 38 | "Smog Cloud Silver Lining" | September 22, 2023 (2023-09-22) |
| External Link TBD |||
| 39 | "Poison Control" | September 29, 2023 (2023-09-29) |
| External Link TBD |||
| 40 | "The Secret to a Long Life" | October 6, 2023 (2023-10-06) |
| External Link TBD |||
| 41 | "Border Trilogy Part 1: Hole in the Fence" | October 13, 2023 (2023-10-13) |
| External Link TBD |||
| 42 | "Border Trilogy Part 2: Hold the Line" | October 20, 2023 (2023-10-20) |
| External Link TBD |||
| 43 | "Border Trilogy Part 3: What Remains" | October 27, 2023 (2023-10-27) |
| External Link TBD |||
| 44 | "Toy Soldiers" | November 3, 2023 (2023-11-03) |
| External Link TBD |||
| 45 | "Funky Hand Jive" | November 10, 2023 (2023-11-10) |
| External Link TBD |||
| 46 | "The Interstitium" | November 17, 2023 (2023-11-17) |
| External Link TBD |||
| 47 | "Shrink" | November 24, 2023 (2023-11-24) |
| External Link TBD |||
| 48 | "Boy Man" | December 1, 2023 (2023-12-01) |
| External Link TBD |||
| 49 | "A 4-Track Mind" | December 8, 2023 (2023-12-08) |
| External Link TBD |||
| 50 | "Death Interrupted" | December 15, 2023 (2023-12-15) |
| External Link TBD |||
| 51 | "Numbers" | December 22, 2023 (2023-12-22) |
| External Link TBD |||
| 52 | "Zeroworld" | December 29, 2023 (2023-12-29) |
| External Link TBD |||

### 2024

| # | Title | Original air date |
| 1 | "Stochasticity" | January 5, 2024 (2024-01-05) |
| External Link |||
| 2 | "Our Little Stupid Bodies" | January 12, 2024 (2024-01-12) |
| External Link |||
| 3 | "The Living Room" | January 19, 2024 (2024-01-19) |
| External Link |||
| 4 | "Zoozve" | January 26, 2024 (2024-01-26) |
| External Link |||
| 5 | "G: Relative Genius" | February 2, 2024 (2024-02-02) |
| External Link |||
| 6 | "Breaking Newsve About Zoozve" | February 5, 2024 (2024-02-05) |
| External Link |||
| 7 | "Cheating Death" | February 9, 2024 (2024-02-09) |
| External Link |||
| 8 | "G: The World's Smartest Animal" | February 16, 2024 (2024-02-16) |
| External Link |||
| 9 | "Hold On" | March 1, 2024 (2024-03-01) |
| External Link |||
| 10 | "Staph Retreat" | March 8, 2024 (2024-03-08) |
| External Link |||
| 11 | "Throughline: Dare to Dissent" | March 15, 2024 (2024-03-15) |
| External Link |||
| 12 | "Finding Emilie" | March 22, 2024 (2024-03-22) |
| [ External Link] |||
| 13 | "Short Cuts: Drawn Onward" | April 2, 2024 (2024-04-02) |
| External Link |||
| 14 | "The Moon Itself" | April 5, 2024 (2024-04-05) |
| External Link |||
| 15 | "The Distance of the Moon" | April 12, 2024 (2024-04-12) |
| External Link |||
| 16 | "Small Potatoes" | April 19, 2024 (2024-04-19) |
| External Link |||
| 17 | "Memory and Forgetting" | April 26, 2024 (2024-04-26) |
| External Link |||
| 18 | "Selected Shorts" | May 10, 2024 (2024-05-10) |
| External Link |||
| 19 | "Lucy" | May 17, 2024 (2024-05-17) |
| External Link |||
| 20 | "Mixtapes to the Moon" | May 24, 2024 (2024-05-24) |
| External Link |||
| 21 | "Argentine Invasion" | May 31, 2024 (2024-05-31) |
| External Link |||
| 22 | "Aphantasia" | June 14, 2024 (2024-06-14) |
| External Link |||
| 23 | "Birdie in the Cage" | June 21, 2024 (2024-06-21) |
| External Link |||
| 24 | "The Alford Plea" | June 28, 2024 (2024-06-28) |
| External Link |||
| 25 | "Happy Birthday, Good Dr. Sacks" | July 5, 2024 (2024-07-05) |
| External Link |||
| 26 | "How to Save a Life" | July 12, 2024 (2024-07-12) |
| External Link |||
| 27 | "Lose Lose" | July 19, 2024 (2024-07-19) |
| External Link |||
| 28 | "Terrestrials: The Trio" | July 26, 2024 (2024-07-26) |
| External Link |||
| 29 | "Sleep" | August 2, 2024 (2024-08-02) |
| External Link |||
| 30 | "Up in Smoke" | August 9, 2024 (2024-08-09) |
| External Link |||
| 31 | "More Perfect: The Gun Show" | August 16, 2024 (2024-08-16) |
| External Link |||
| 32 | "Uneasy as ABC" | August 23, 2024 (2024-08-23) |
| External Link |||
| 33 | "Big Little Questions" | August 30, 2024 (2024-08-30) |
| External Link |||
| 34 | "Shell Game" | September 6, 2024 (2024-09-06) |
| External Link |||
| 35 | "The Times They Are a-Changin'" | September 13, 2024 (2024-09-13) |
| External Link |||
| 36 | "A Little Pompeiian Fish Sauce Goes a Long Way" | September 20, 2024 (2024-09-20) |
| External Link |||
| 37 | "Octomom" | September 27, 2024 (2024-09-27) |
| External Link |||
| 38 | "Terrestrials: Stumpisode" | October 4, 2024 (2024-10-04) |
| External Link |||
| 39 | "Why Don't Sex Scandals Matter Anymore?" | October 11, 2024 (2024-10-11) |
| External Link |||
| 40 | "Tweak the Vote" | October 18, 2024 (2024-10-18) |
| External Link |||