Rogers talks about the use of triangles, such as on the Yield sign. Betty Aberlin arrives with Bob Trow’s model of the Eiffel Tower.

Henrietta Pussycat fears Bob Dog’s teeth. Lady Aberlin confides in Henrietta and tells everyone the King Friday and Queen Sara have a good secret.

Bramble, a large horse, stands outside Rogers’ television house. King Friday asks for, and receives, a stuffed horse. Daniel, however, is afraid of the model.

Rogers enters with a typewriter and the many ways to put the word “typewriter” to paper. In the Neighborhood of Make-Believe, an artist draws paintings of King Friday and Queen…

King Friday shares his secret with Mime Walker, informing him not to mention a word of it to anyone else.

Rogers has a recent chest x-ray, and explains what having an x-ray taken is about. In the Neighborhood of Make-Believe, Lady Elaine warns her neighbors that King Friday might be…

Officer Clemmons announces he has accepted a new job with the Metropolitan Opera in New York City. King Friday and Queen Sara announce their secret: they are having a baby.

Lady Elaine and Mrs. Saunders tie up Officer Clemmons in a frantic attempt to keep him from moving to New York.

Betty Aberlin gives Rogers a black angel fish for his tank. In the Neighborhood of Make-Believe, she dresses up as one. At the Tree, she introduces a song praising Henrietta…

Mrs. Clemmons visits Rogers’ television house with a poem about her new job title. Rogers invites her to a going-away party to be held the next day. A highlight of…

Mr. and Mrs. François Clemmons are about to leave for New York. In both the Neighborhood of Make-Believe and Rogers’ television house, neighbors hold a farewell party.

Rogers shows models of a bicycle and a tricycle. Along the way, he introduces the prefixes “bi” and “tri” to compare what each one means. In the Neighborhood of Make-Believe,…

Rogers uses a tape recorder to tape the sounds of a xylophone, a drum, and a slide whistle. In the Neighborhood of Make-Believe, King Friday thinks his baby should learn…

Rogers shows how he reacts when he is angry. In the Neighborhood of Make-Believe, Lady Aberlin makes a punching bag from rags and knitting. X complements her work.

When Coach Saunders informs how athletic and exercise equipment can protect oneself, King Friday orders all the equipment for the new royal baby.

Rogers makes a window out of construction paper. Later he picks up a record album at Negri’s Music Shop. In between, Chef Brockett goes to the Neighborhood of Make-Believe with…

To combat King Friday’s boredom, singer Barbara Koski visits the Neighborhood of Make-Believe from Finland.

Rogers plays house with a set of dolls and two houses. In the Neighborhood of Make-Believe, King Friday orders all the locales to be numbered from west to east, all…

Officer Clemmons reminds Rogers that Chef Brockett’s birthday will be in two days’ time. In the Neighborhood of Make-Believe, Lady Elaine tells King Friday he cannot always be number 1….

Rogers has to keep secret the cake he is making for Chef Brockett’s birthday. In the Neighborhood of Make-Believe, Robert Troll, X, and Daniel discuss their gifts for Brockett.

Today is Chef Brockett’s birthday. King Friday offers the Atlantic Ocean as his gift.

Rogers puts together a puzzle Chef Brockett has given him as a thank-you present. Handyman Negri leaves the Neighborhood of Make-Believe for a scout jamboree. His replacement for the week…

Reardon is organizing an opera. Daniel, Lady Aberlin, and Dr. Platypus have parts in it.

Reardon distributes music to those who will take part in the opera. Robert Troll wants to be a whale, and Elsie Jean Platypus wants to play the Loch Ness monster.

Lady Aberlin gives the Trolley a waves costume for the opera, which also fools Corny making him want to have a part in the opera. The entire Neighborhood of Make-Believe…

The Neighborhood of Make-Believe stages its opera about the search for a lost teddy bear.

Rogers is doing a puzzle, but Mr. McFeely barges in and takes it before it is even finished. In the Neighborhood of Make-Believe, Lady Elaine surprises Handyman Negri, who drops…

Rogers discusses the differences between male and female. In the Neighborhood of Make-Believe, Handyman Negri and Lady Elaine assemble a rocket.

King Friday blocks the launch of Handyman Negri and Lady Elaine’s rocket until some rules are laid down for it.

Carole Clemmons, François’ wife, has some new poems. In the Neighborhood of Make-Believe, Lady Elaine is mad at her improperly-working rocket.

King Friday completes his set of rules for Lady Elaine’s rocket. Once these rules are followed, the rocket rides more smoothly.

Rogers builds a model car. Van Cliburn also enters the Neighborhood of Make-Believe gathering parts for the piano Lady Elaine is building.

Chef Brockett has made a piano-shaped cake for Van Cliburn, who performs at the Castle.

Lady Aberlin introduces a magic leaf. When she says the correct words, her aunt will sing for her.

A button band performs for the Neighborhood of Make-Believe, during which Vija Vetra performs a button dance as well.

Queen Sara gives a lesson to Lady Aberlin and King Friday about understanding Robert Troll’s troll talk.

While King Friday and Queen Sara are away on their honeymoon, Robert Troll welcomes his old friend, Dr. Bill Platypus, to the Neighborhood of Make-Believe.

Dr. Platypus and Mrs. Platypus move into the Neighborhood of Make-Believe. X and Henrietta do what they can to accommodate them.

Rogers shows the insides of a buckeye. In the Neighborhood of Make-Believe, Officer Clemmons helps the Platypus family settle temporarily in the Tree.

The Platypus family must wait for Digger Digorum to return before they can dig their new platypus home.