All Episodes

51: Series Wrap-up: Sestras Are Forever

50: "To Right The Wrongs Of Many" (S5E10)

49: "One Fettered Slave" (S5E9)

48: "Guillotines Decide" (S5E8)

47: "Gag or Throttle" (S5E7)

46: "Slim Manacled Wrists" (S5E6)

45: "Ease For Idle Millionaires" (S5E5)

44: "Let The Children And The Childbearers Toil" (S5E4)

43: "Beneath Her Heart" (S5E3)

42: "Clutch of Greed" (S5E2)

41: "The Few Who Dare" (S5E1) - And Secret Sestra Santa Gift Picks

40: "From Dancing Mice to Psychopaths" (S4E10)

39: "The Mitigation of Competition" (S4E9)

38: "The Redesign of Natural Objects" (S4E8)

37: "The Antisocialism of Sex" (S4E7)

36: "The Scandal of Altruism" (S4E6)

35: "Human Raw Material" (S4E5)

34: "From Instinct to Rational Control" (S4E4)

33: "The Stigmata of Progress" (S4E3)

32: "Transgressive Border Crossing" (S4E2)

31: "The Collapse of Nature" (S4E1)

30: "History Yet to Be Written" (S3E10)

29: "Insolvent Phantom of Tomorrow" (S3E9)

28: "Ruthless in Purpose, and Insidious in Method" (S3E8)

27: "Community of Dreadful Fear and Hate" (S3E7)

26: "Certain Agony of the Battlefield" (S3E6)

25: "Scarred by Many Past Frustrations" (S3E5)

24: "Newer Elements of Our Defense" (S3E4)

23: "Formalized, Complex, and Costly" (S3E3)

22: "Transitory Sacrifices of Crisis" (S3E2)

21: "The Weight of This Combination" (S3E1)

20: "By Means Which Have Never Yet Been Tried" (S2E10)

19: "Things Which Have Never Yet Been Done" (S2E9)

18: "Variable and Full of Perturbation" (S2E8)

17: "Knowledge of Causes, and Secret Motion of Things" (S2E7)

16: "To Hound Nature in Her Wanderings" (S2E6)

15: "Ipsa Scientia Potestas Est" (S2E5)

14: "Governed As It Were By Chance" (S2E4)

13: "Mingling Its Own Nature With It" (S2E3) + Secret Santa!

12: "Governed by Sound Reason and True Religion" (S2E2)

11: "Nature Under Constraint and Vexed" (S2E1)

10: "Endless Forms Most Beautiful" (S1E10)

9: "Unconscious Selection" (S1E9)

8: "Entangled Bank" (S1E8)

7: "Parts Developed in an Unusual Manner" (S1E7)

6: "Variations Under Domestication" (S1E6)

5: "Conditions of Existence" (S1E5)

4: "Effects of External Conditions" (S1E4)

3: "Variation Under Nature" (S1E3)

2: "Instinct" (S1E2)

1: "Natural Selection" (S1E1)