The Bullwinkle Show

Rocky & Bullwinkle - Painting Theft (3) - Portrait of a Moose or Bullwinkle Gets the Brush (4x6)

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Bullwinkle mistakes filched art masterpieces for wallpaper and hangs them in his chicken coop. When he whitewashes over them, Boris and Natasha insist on buying them anyhow. Certain that he's a genius, Bullwinkle turns out more, sending some to museums.