"Who's Stupid Now?" is an episode of Season 5 of the show.


When Ren and Stimpy find out they are about to be cancelled (thus breaking the 4th wall again), Ren comments that they'll do anything to keep the show ongoing, so the producer makes "a twist in chemistry" by making Stimpy the skinny jerk cat and Ren as the fat idiot dog, but Ren starts to realize that this might not be a good idea after all.


  • This episode was originally written to be a Spümcø episode titled "The Big Switch."
  • This is the only episode with a black title screen.

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