| Category | Details |
| Episode Number | 4319 |
| Season | Season 43 (2012–2013) |
| Air Date | February 21, 2013 |
| Word on the Street | Innovation (Introduced by Paula Patton & Elmo) |
| Primary Theme | STEM: Engineering Design Process |
| The "Expert" Guest | Tim Gunn as "Bill Ding" (Editor of Better Homes and Styles) |
| Scientific Artist | Joseph Herscher (Specialist in Kinetic Art/Rube Goldberg) |
| Material Sequence | Brick $\rightarrow$ Stone $\rightarrow$ Metal $\rightarrow$ Innovated Brick (on Wheels) |
| Fairy School Lesson | Recycling & Logic (All/None) with Gene the Genie |
| Super Grover 2.0 | Wheels (Helping penguins clear an icy dance floor) |
| Musical Segment | "It's a Circle" (Ernie and Bert exploring geometry) |
| Elmo the Musical | President the Musical (Logic and problem-solving in the White House) |
| Key Muppets | Elmo, Leela, Three Little Pigs, Big Bad Wolf, Abby, Super Grover |
| Human Cast | Leela, Tim Gunn (Bill Ding), Paula Patton |
| Letter of the Day | O (Oprah Winfrey, O-Show, Office, Octopus, Over) |
| Number of the Day | 16 (16 acorns sprouting from a tree) |
| Educational Focus | Engineering (Innovation), Physics (Force), Math (16), Literacy (O) |
| Sponsors | O, 16 |
Facts
Episode 4319, "Best House of the Year", is a proper masterclass in structural engineering, but it's got a fairy tale parody vibe going on as well. It stars Tim Gunn as the fashion-forward editor "Bill Ding" – a play on the word "building" – who critiques the architectural choices of the Three Little Pigs. It starts with the usual straw-and-stick stuff, but it soon moves on to using more advanced materials and mechanical physics to solve the "Big Bad Wolf" problem.
The Science of Materials: Rock vs. Metal
The pigs try to build houses out of stone and metal, and they're right that they're stronger than brick. But the Wolf's "huff and puff" acts as a high-velocity wind load. When it comes to real-world engineering, a house made of heavy stone can still fail if the mortar isn't strong enough to hold the blocks together when there's a sideways force on them. Metal is really strong, but it can bend or "buckle" if the walls are too thin and can't handle the pressure.
Innovation and Kinetic Energy
The game changes when Leela brings up the idea of innovation. By putting the house on wheels, the characters change how the building interacts with external forces. Instead of being a static load that needs to resist the wind until it breaks, the house becomes a dynamic system. The Wolf's breath has kinetic energy that is converted into translational motion (rolling), which allows the house to move away safely. This is similar to how modern seismic engineering works, where buildings are placed on "base isolators" (giant rubber or ball-bearing pads) so the ground can move beneath them during an earthquake without damaging the structure.
Rube Goldberg and Kinetic Art
The episode features Joseph Herscher, a world-famous kinetic artist. He's well known for his "Jivago" and "The Page Turner" machines. These are Rube Goldberg machines, designed to perform a simple task through a series of chain reactions that are actually pretty complex. These machines are all about the Conservation of Energy. Potential energy (like a ball at the top of a ramp) is turned into kinetic energy, which is then moved through a series of "linkages" to reach a final goal, like watering a plant or announcing a sponsor.
The Physics of the "Super Grover Mobile"
Super Grover 2.0 travels to Antarctica to help penguins move a massive ice block using wheels. This segment shows the difference between sliding friction and rolling friction. When an object slides, its whole surface is like putting up a fight against the ground. But a wheel makes the surface area smaller, so you need less force to get going. That's why one penguin could move a really heavy ice block if it was on a wheeled cart.
Recycling and Polymer Science
In Abby's Flying Fairy School, the class recycles plastic bottles to create a bigger home for Gene the Genie. Most plastic bottles are made of polyethylene terephthalate (PET). When recycled, these polymers can be melted down and reformed, or repurposed through "upcycling." In the episode, the bottle getting bigger is a metaphor for how recycled plastics are turned into big things like playground equipment, park benches, and even polyester clothing.
Presidential History and the White House
In "President the Musical", Elmo becomes the first monster to be elected to the White House. The episode references "Firsts", like the first presidential photo. The first photo of a sitting U.S. President was actually taken in 1849 of James K. Polk. The White House is a great example of Neoclassical architecture, designed by James Hoban and modelled after the Leinster House in Dublin. It's got 132 rooms and needs 570 gallons of paint just to cover the outside.
Parent's Guide
The three pigs are in a competition for a house award. Mr. Bill Ding is the judge. A wolf has to be trained to blow down their homes. He destroys houses made of brick and metal. Leela and Elmo help the pigs think of a new way to stay safe. They put their house on wheels. The wolf blows on the house and it just rolls away. This story teaches your child about force and motion. You can show your child how moving objects react to air. You need to be able to think outside the box when it comes to engineering, because you're always solving problems.
Super Grover 2.0 is heading to Antarctica. He helps penguins move a big block of ice. He uses a mobile with wheels to finish the task. This segment shows how wheels reduce friction. Your child can develop their scientific skills by watching Grover use different tools. You can easily move a heavy load with the right kit.
Paula Patton and Elmo explain the word innovation. Elmo uses a robot to show how to find new ways to solve problems. Being an innovator means making things better. You can encourage your child to find new uses for their toys.
Murray and Ovejita pay a visit to Joseph Herscher, an artist. He builds a machine to water a plant. One small movement can start a chain reaction. This shows your child how cause and effect work. You can help your child build a simple path for a ball to see how objects move together. If you keep at it, you'll get there.
Abby and her friends meet a genie. They learn the difference between the words all and none. They make wishes and get stuck inside a bottle. They have to think logically to find the right words to get out. This lesson teaches kids that specific words can change a situation. You can try out these ideas during clean-up time by asking for either all the blocks or none of the cars.
Elmo becomes President in a musical. He'll have to find the missing items like first base. He uses logic to solve the mystery. This story is a great way to get your child thinking about leadership. A leader helps people and solves problems for the community. Elmo shows that having a clear plan helps you get things done. You can teach your child about being a leader by asking them to help a friend.
Summary
What's the Word on the Street? : In Sesame Street Episode 4319 we meet the word that is Innovation. It means that the action or process of innovating.
Best House of the Year, Street Story: Scene begins with Elmo and Leela. Elmo shows Leela his rollerskating, at the same time they see the Three Little Pigs building a house on Sesame Street. They express that Better Homes and Styes Magazine holds an annual contest of Best House of the Year, and the winner gets their photo in the magazine.
They call the editor Mr. William "Bill" Ding and his photographer, Fanny. He critiques the house in a positively way and decides to give prize, but when the Big Bad Wolf arrives, everything changes. Elmo knows that the wolf is unable to blow down brick, but he begins working out with a personal trainer. Fanny is ready to take their photo, but the Wolf huffs and puffs, and leaves their house in shambles.
Bill deems their home imperfect and heads off. Leela advises them to make a house from stronger material if they want to win. Elmo finds a rock, he shows them in order to use new building because it is stronger material than before. The pigs like it and sing a song. The name of the song is “We're Gonna Build a New House" The pigs complete the building from stone and they call Bill Ding again. He finds the new house suitable for Best House of the Year.
Fancy is ready again to take photo but The Big Bad Wolf appears again and reduces the new house to rubble. Bill and Fanny leave again without taking photo. Pigs have to start again. One of the pig’s advices to use straw again, while another advices a home made of squirrels. Elmo again finds different and strong material that is a watering can made of metal. The new material is more strong than rock. The pigs sing their song again.
The pigs complete the new house again. They think this metal material made house is the strongest house that Big Bad Wolf cannot damage it. Bill and Fanny come one more time, but they meet same scene again, Big Bad Wolf appears, and damages the house. They lose their motivation, because they cannot find more durable material than metal. But suddenly Elmo has a different idea. He thinks that when he was blown, he was just sent rolling away instead of being broken up. If the house was on wheels too, it might just roll away not being destroyed. The pigs like the new idea and start to sing their building song.
The pigs make a duplicate of their first house which is only on wheels. Bill Ding arrives and he does not find their design different, because it is the same as the first and he is sure that Wolf will come and blow it down. The Big Bad Wolf appears to huff and puff, but only sends the house rolling away without blowing it in. Finally they become successful, Bill is impressed so much and gives them the award. Sesame Street story "Best House of the Year" ends. The role of Mr. William Bill Ding is played by Tim Gunn. Tim Gunn is an American writer and actor.
Muppets - Celebrity: Paula Patton, who is an actress, is in Sesame Street Episode 4319. She talks about innovation with Elmo. Innovation is the word on the Street.
Muppets: Murray and Ovejita are on the stage, they go to meet another one of the people in your neighborhood. Today Murray and Ovejita meet Joseph Herscher. He is a kinetic artist and demonstrates them how his trait works.
Cartoon: Sesame Street Episode 4319 goes on cartoon part. The name of the cartoon is "The O Show". O is the letter of day.
Film: In Sesame Street Episode 4319 the letter of day is O. The film is about this letter.
Muppets: Murray and Ovejita talks with Joseph about Joseph's profession. He expresses that his favorite types of kinetic art are Rube Goldberg machines and start to design one that will water a plant.
Cartoon: There are 16 acorns. The number of day is 16 in Sesame Street Episode 4319.
Song: Sesame Street Episode 4319 continues with song part. The name of the song is Construction Kids Cars.
Elmo the Musical President the Musical: Murray and Austin announce the Elmo the musical, Sesame Street Episode 4319 continues with this part. The name of the section is President the Musical. He dreams himself President of the United States, living in the Red House. Elmo become the first monster to command the White House. He faces a problem and tries solve a problem. The problem is about all the firsts such as the First Lady, the First President photo, etc. are going missing! There are four songs that are sung in this episode. The name of the songs are "Hail to the Chief," "First Second Third," "Number Two Song," "Tango"
Sesame Street sponsors are the number 16 and the letter O. At the end of the Sesame Street Episode 4319, Murray, Ovejita and Joseph announce the sponsors and Episode ends there.
