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Sara Rubin learns about hippo burgers. A hippo sings a frankly too-horny song.
Up Next in Season 5
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The Defenestrations of Prague
Brian David Gilbert learns about windows and going out of them. The musical guest? It's a window.
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The Vietnamese Sisters Who Fought An ...
Maya Murillo learns about some competent sisters. Infinitiger roars.
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America's First Black Aviatrix
Ryann Graham learns about an inspiring flyer. A weird cloud visits.
