Mister Rogers' Neighborhood - Season 3 Episode 4
The NOM Models Pt 4 - Learning about police work

Title number 1069. Opens with Mister Rogers arriving with a big box containing Bob Trows model of the Platypus Mound. Officer Clemmons shows Rogers the workings at his police station. Dr. Bill and Elsie Jean Platypus also share a magic recipe for making pies.