Season 1    Episode 19
July 19, 2010    11m    TV-PG
68%
Finn must tell the truth when he accidentally turns Princess Bubblegum bald and green and blames the Duke of Nuts.
Cast of The Duke
  • Pendleton WardLumpy Space Princess (voice)
  • Olivia OlsonMarceline the Vampire Queen (voice)
  • Jeremy ShadaFinn the Human (voice)
  • John DiMaggioJake the Dog (voice)
  • Tom KennyIce King (voice)
  • Hynden WalchPrincess Bubblegum (voice)
  • Niki YangBMO / Lady Rainicorn (voice)
  • Polly Lou LivingstonTree Trunks (voice)

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