Mister Rogers' Neighborhood (1968)

S3E4 The NOM Models Pt 4 - Learning about police work

In episode 1069, Mister Rogers makes a visit carrying a large box featuring Bob Trow's model of the Platypus Mound. Officer Clemmons takes Rogers on a tour of the police station, showcasing its operations. Meanwhile, Dr. Bill and Elsie Jean Platypus reveal a special recipe that adds a dash of magic to their pie-making process.