Mister Rogers puts on a lab coat and begins experimenting with a metal hoop which he tosses in the air. He matches the circle shape with other shapes. Mr. McFeely arrives with a delivery of different sized balls which Mister Rogers counts and experiments with, using the hoop. Mister Rogers talks about cleaning up. In the Neighborhood of Make-Believe, Mr. McFeely delivers two invitations to Lady Elaine Fairchilde for a boomerang contest. Chef Brockett offers to accompany Lady Elaine, and she teaches him to throw the boomerang. Lady Elaine shows Mr. McFeely a Funny Fast Film about himself, and also shows Chef Brockett a Funny Fast Film about himself.