The Bullwinkle Show (1959)

Season 5: Episode 77

Sweet Little Beet is a poor orphan girl forced into a life of drudgery and ill-treated by her wicked (and UGLY!) stepsisters. A mysterious (and invisible) Prince promises to wed the pure-in-heart maiden who can see him. Sweet Little Beet's wicked (and UGLY!) stepsisters make fools of themselves trying-but Little Beet succeeds! Will she marry the Prince? Well, not exactly... there's a problem.