Season 4

1.El Jefe

2.Darkness and the Monster

3.Rest in Pieces

4.Pain Love and Sacrifice

5.Sacrificio

6.Break the Machine

7.The Gift That Keeps on Giving

8.The Ranks of the Reptiles

9.A Match Made in Heaven

10.A Snake Scorned

11.Last Man or Machine Standing

12.Till Death Do Us Part

13.The Circle of Life

14.Pet Cemetery

15.The Hunted

16.Kill Mil

17.The Moth and the Butterfly

18.Spiders and Skeletons

19.Savagery

20.Seven to Survive

21.Ultima Lucha Cuatro Pt. 1

22.Ultima Lucha Cuatro Pt. 2