Mr. Snuffleupagus is sad because he wants to play on the barrels by Big Bird's nest, but they are behind a wall. The wall is too high for him to climb over and there is no hole in the wall for him to go through. Big Bird suggests opening the door, and explains what a door is. Mr. Snuffleupagus says he will have to remember that one.
Molly asks the Kids to find a triangle, a circle, a square and a rectangle hidden in a picture.
Lefty the Salesman wants to sell Ernie a painting of a tree, which he says is a picture of four elephants. Ernie doesn't see the four elephants, so Lefty offers to show him the elephants if Ernie will buy the picture for a nickel. Lefty points out the elephants, which are actually spaces in the tree's branches. Ernie shells out for the picture. Ernie wants to pull the same trick on Bert, but Bert notices the elephants right away.
Story: Bob reads "The King and the Fireman", a story about a king who becomes so grateful for being saved by a fireman that he decides to make everyone in the kingdom a firefighter... and soon realizes what a mistake he's made.
At the beach, Ernie notices that Bert is missing; all he sees is Bert's hat. Sherlock Hemlock helps find Bert, and in the process, it turns out that Ernie accidentally buried Bert under the sand.
Cartoon: S is for subway, sailboat, sled, scooter, skates, skis, and stop.
Two Anything Muppet boys are in the park, playing hide and seek. One hides while the other says the alphabet. Unfortunately, he doesn't know the whole alphabet, so he asks for help when he gets stuck. The other boy has to come out of his hiding place to help him finish the alphabet. He helps with Z, and then gets caught.