The Epic Tales of Captain Underpants

Season 4

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George and Harold's school has been selected to go to space along with their principal, Mr. Krupp. And when danger is very near, they snap their fingers... and Mr. Krupp turns into Captain Underpants, a superhero in only his cape and undies.
Where to Watch Season 4
Cast of Season 4
  • Nat FaxonCaptain Underpants / Mr. Krupp (voice)
  • Jay GragnaniHarold (voice)
  • Ramone HamiltonGeorge (voice)
  • Sean AstinNarrator (voice)
  • Peter HastingsComic Narrator (voice)
  • Jorge DiazMelvin / Melvinborg (voice)
  • Dayci BrookshireJessica / Dressy (voice)

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