When Michelle is getting her feet measured by the Brannock Device (the device called to measure to see what size shoe you are), the shoe salesperson measures her foot while she is sitting down, the device is designed for a person to stand while being measured, as you usually wear shoes for being upright, not sitting. So when he says size 13, which is the largest kids shoe, she could be a size one ladies shoe size or less depending on where her heel is and how the strength is distributed in the device and the shoe.
Lowest rated episode of the series.
Joey never understood the expression Towhead until Danny explained that it meant to describe kids with blond hair. Joey thought people called him that because they thought his head was shaped like a toe.