Muppet Babies
Around the Nursery in 80 Days (3x11)
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After the Muppet Babies hear that Nanny is going on an ""around the world"" trip and are worried that they will not have a good sitter to look after them. They try to have her trip be in the nursery until they find out that their stand-in nursemaid will be her sister, Aunt Fanny.