Ren’s Brain” is the eighth episode of Season 5 of The Ren & Stimpy Show, which aired on October 7, 1995.


  • Ren
  • Stimpy
  • Ren’s Brain
  • Mom
  • Dad
  • Toddlers


Stimpy re-enters the world of science as a “freelance brain surgeon”. He soon runs out of good brains on which to conduct experiments and removes Ren’s brain. The brain, not knowing he’s out of Ren’s body, goes on with his life until he notices Stimpy with a new dog: him.