Mister Rogers blows up a ballon and lets the air out. Mr. McFeely delivers a film about how balloons are made. Mister Rogers talks about learning new things. In the Neighborhood of Make-Believe, Chuck Aber is reading a story to Prince Tuesday. They finish and decide to go to the Museum-Go-Round. Lady Elaine tells Prince Tuesday that if his parents don’t return, he can stay with her. Mr. Aber assures Tuesday and Lady Elaine that King Friday and Queen Sara will come home. Handyman Negri also assures Tuesday that his parents will return. He suggests that the prince call the king and queen. X shows a picture of water, his newest O.C.S. lesson. Marilyn Barnett stops by to exercise with Mister Rogers.