Mister Rogers builds tiny houses out of straw, twigs, bricks, and wooden blocks. He tries to blow down all of them and explains that no one can blow down a real house. He visits Bob and Judy Brown who are preparing for a marionette production of “The Three Little Pigs.” Miss Paulificate teaches Purple Panda the meaning of the word “fetch” by throwing a stick for him. King Friday XIII decides to purchase an airplane.