Around the Nursery in 80 Days Muppet Babies : Season 3 Episode 11

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.