Mister Rogers has two gerbils in a cage. After filling their water bottle, he says that food is necessary for growth. Mister Rogers goes to the McFeely house to get some gerbil food. Mr. McFeely is taking care of a Saint Bernard. Mister Rogers offers to watch the dog while Mr. McFeely makes some deliveries. Mrs. Simmons comes to Mr. McFeely’s house to pick-up her dog and shows Mr. Rogers a Saint Bernard puppy. Mr. Rogers goes home and feeds his gerbils. He talks about words that rhyme. In the Neighborhood of Make-Believe, Lady Elaine and X are helping Bob practice for his role as pet in the play. Mr. Anybody plans to be the vet. King Friday is angry at Bob Dog for jumping on the castle wall.