An Ancient History of Violence is the Twentieth Episode of Season 2 of Adam Ruins Everything.


Adam shares that it was against the rules for gladiators to kill opponents, and tells the story of a Celtic woman who brought the Roman Empire to its knees. Plus, the brave "300" Spartans numbered closer to 7000.

In this episode's "Same Time, Different Place" segment, Emily talks about Cai Lun, and how his invention of paper changed the world.

This is the fourth of six fully-animated "Reanimated History" episodes.





  • Chris Parnell as Narrator
  • Justin Michael as Claudius / Commodus / Suetonis
  • Greg Tuculescu
  • Rich Sommer
  • Jason Ko as Cai Lun
  • Zehra Fazal
  • Nico Ciccone-Scott
  • Adam Lustick
  • James M. Connor
  • Dave B. Mitchell
  • Amir Talai
  • Mark Whitten
  • Cate Blanchett as Boudica


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