Test your knowledge of Once Upon a Mattress with these fun trivia facts about the beloved musical. How well do you know this Broadway hit that debuted in 1959 and introduced Carol Burnett to theater audiences? Inspired by the fairy tale "The Princess and the Pea," the show has been performed by countless high school and community theater groups. Dive into behind-the-scenes stories and learn intriguing details about its three television adaptations, star-studded revivals, and more.
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