Mister Rogers and Mr. McFeely visit the set of “The Incredible Hulk” television program, starring Bill Bixby. They talk with the actors about how some things on television may look real but are not. In the Neighborhood of Make-Believe, Purple Panda, dressed up as a Dinosaur, is scaring everyone. Prince Tuesday finds out it helps to talk about his fears. Mister Rogers walks off the set to show the Neighborhood model that appears on the program.