Mister Rogers arrives with a chromaharp (autoharp) and shows how it is played as he sings Old MacDonald. He shows a picture of a standing harp in a book. At Brockett's Bakery, Mister Rogers compares the size of his chromaharp with a large harp in the bakery's soda shop. Chef Brockett arrives with Edward Druzinsky who plays the harp. Returning to his house, Mister Rogers finds a note from the Gordons who had stopped by to see him and gone to his home to look for him. Calling his wife, he asks her to send the Gordons back to the television house. In the Neighborhood of Make-Believe, Handyman Negri and Daniel Striped Tiger are trying out various musical instruments as they wait for the Platypus family to return from Westwood. When they return to Make-Believe, Dr. Bill explains that the blocks recently delivered to the mound are building blocks for Ana to play with. Back at the house, Mister Rogers is visited by the Gordon family. Dr. Gordon uses his medical instruments to take Mister Rogers' blood pressure before Rita Moreno Gordon sings It's You I Like. Part of the "Mister Rogers' Neighborhood" series.