| Episode | Title | Premiere |
|---|---|---|
| 10 | Endless Forms Most Beautiful | June 1, 2013 |
| 09 | Unconscious Selection | May 25, 2013 |
| 08 | Entangled Bank | May 18, 2013 |
| 07 | Parts Developed in an Unusual Manner | May 11, 2013 |
| 06 | Variations Under Domestication | May 4, 2013 |
| 05 | Conditions of Existence | April 27, 2013 |
| 04 | Effects of External Conditions | April 20, 2013 |
| 03 | Variation Under Nature | April 13, 2013 |
| 02 | Instinct | April 6, 2013 |
| 01 | Natural Selection | March 30, 2013 |
| Episode | Title | Premiere |
|---|---|---|
| 10 | By Means Which Have Never Yet Been Tried | June 21, 2014 |
| 09 | Things Which Have Never Yet Been Done | June 14, 2014 |
| 08 | Variable and Full of Perturbation | June 7, 2014 |
| 07 | Knowledge of Causes, And Secret Motion of Things | May 31, 2014 |
| 06 | To Hound Nature in Her Wanderings | May 24, 2014 |
| 05 | Ipsa Scientia Potestas Est | May 17, 2014 |
| 04 | Governed as It Were by Chance | May 10, 2014 |
| 03 | Mingling Its Own Nature with It | May 3, 2014 |
| 02 | Governed by Sound Reason and True Religion | April 26, 2014 |
| 01 | Nature Under Constraint and Vexed | April 19, 2014 |
| Episode | Title | Premiere |
|---|---|---|
| 10 | History Yet to Be Written | June 20, 2015 |
| 09 | Insolvent Phantom of Tomorrow | June 13, 2015 |
| 08 | Ruthless in Purpose, and Insidious in Method | June 6, 2015 |
| 07 | Community of Dreadful Fear and Hate | May 30, 2015 |
| 06 | Certain Agony of the Battlefield | May 23, 2015 |
| 05 | Scarred by Many Past Frustrations | May 16, 2015 |
| 04 | Newer Elements of Our Defense | May 9, 2015 |
| 03 | Formalized, Complex, and Costly | May 2, 2015 |
| 02 | Transitory Sacrifices of Crisis | April 25, 2015 |
| 01 | The Weight of This Combination | April 18, 2015 |
| Episode | Title | Premiere |
|---|---|---|
| 10 | From Dancing Mice to Psychopaths | June 16, 2016 |
| 09 | The Mitigation of Competition | June 9, 2016 |
| 08 | The Redesign of Natural Objects | June 2, 2016 |
| 07 | The Antisocialism of Sex | May 26, 2016 |
| 06 | The Scandal of Alturism | May 19, 2016 |
| 05 | Human Raw Material | May 12, 2016 |
| 04 | From Instict to Rational Control | May 5, 2016 |
| 03 | The Stigmata of Progress | April 28, 2016 |
| 02 | Transgressive Border Crossing | April 21, 2016 |
| 01 | The Collapse of Nature | April 14, 2016 |
| Episode | Title | Premiere |
|---|---|---|
| 10 | To Right The Wrongs of Many | August 12, 2017 |
| 09 | One Fettered Slave | August 5, 2017 |
| 08 | Guillotines Decide | July 29, 2017 |
| 07 | Gag or Throttle | July 22, 2017 |
| 06 | Manacled Slim Wrists | July 15, 2017 |
| 05 | Ease for Idle Millionaires | July 8, 2017 |
| 04 | Let the Children & the Childbearers Toil | July 1, 2017 |
| 03 | Beneath Her Heart | June 24, 2017 |
| 02 | Clutch of Greed | June 17, 2017 |
| 01 | The Few Who Dare | June 10, 2017 |
