|Plot||Failure to Launch (season premiere)|
|Air date||September 26, 2011|
|Season||Season 42 (2011-2012)|
|Sponsors||H, 5, "Cool Rockets"|
| ||What's the Word on the Street?: Engineer|
| ||Elmo, Telly and Baby Bear are playing catch in the arbor (while Chris wraps the newspapers in rubber bands), when they hear an announcer proclaim the arrival of Hubert the Human Cannonball. Armed with a crowd sound-effect remote, Hubert announces he will shoot himself across the yard from his cannon and land into a bucket of blue gelatin. He retrieves his equipment, including a ruler that must measure a five-foot distance between the cannon and the gelatin. Baby Bear volunteers to do the measuring. Chris pushes the bucket to the spot, but receives no applause from Hubert. Telly and Elmo put him into the cannon and Chris activates it. The cannon rumbles, starts to smoke and lets Hubert fall out exactly zero feet. Telly is very upset and decides they should help him launch. He runs off with an idea.|
| ||Telly returns with a large catapult (and a knight helmet). Telly folds Hubert into a ball and loads him in. Telly fires and Hubert is launched two feet, which is not enough. Elmo has an idea...|
| ||...and comes back with the Big Bad Wolf, who will huff and puff Hubert into the bucket. The wolf blows and sends Hubert three feet, which still doesn't reach his goal. Baby Bear believes he can engineer something and borrows Chris' rubber bands. He demonstrates that one rubber band can launch a crumpled napkin. From the rest of the rubber bands, he makes a large one that finally launches Hubert into his bucket of gelatin. In celebration, Chris and the guys head to Hooper's Store to engineer some snacks.|
| ||James Marsden and Elmo engineer a spaghetti-serving device.|
| ||Murray announces Abby's Flying Fairy School is coming while admiring NASA's Mercury Atlas and Gemini Titan rockets at the New York Hall of Science. He wonders aloud how someone designs one. "¡Vamos a averiguarlo!," says Ovejita as they go find out an answer. At the New York Hall of Science, the instructor tells Murray and the kids that they will be designing their own rockets with straws, clay and paper fins. The kids finish their rockets and are ready for testing. Murray queues a segment in the meantime.|
| ||A group of kids make a large, block H and declare "H is for helping!"|
| ||Murray and Segi introduce Abby's Flying Fairy School.|
| || Abby's Flying Fairy School|
The fairies are having lunch and Blogg is disappointed at the size of his sandwich (which is several stacks high). With a spell, he conjures a large lunchbox that belongs to Pandora. Mrs. Sparklenose warns the students not to open it. Gonnigan loses control of his wings in fright and hits the lunchbox, opening it and releasing some large and rambunctious snacks. They inspect the lunchbox and find some shapes at the bottom, which should match the shape of each item. Discovering that the juice box is a rectangle, the wrap is a circle and the chips form a hexagon, they are able to put them back in their places. Pandora arrives to pick up her lunchbox and offers them some of her food...
| ||Murray declares "Super Grover 2.0" is coming, but now it's time to test the rockets. He interviews the kids about their designs before they are launched. Ovejita measures the distance of each rocket. Murray says some more rockets will be launched following the next segment...|
| || Salty and Pierre, spicy detectives, find the number 5 as part of a doghouse.|
(First: Episode 4203)
| ||Murray and Jenabell introduce "Super Grover 2.0" with a laugh.|
| || Super Grover 2.0|
On a country road, a horse can't get his cart to move, when Super Grover 2.0 lands on the scene. Using his powers of observation, he finds some "stick-thingies" on the front that he tries to use as an activation switch. The horse thinks they are used for pulling the cart and Grover runs off and retrieves a worm to pull the cart. The horse thinks the worm is too small and they need some force to move it. Grover returns with a chicken, which should provide a larger force. The chicken pulls her best, but instead lays an egg and goes off on maternity leave. Grover brings a pig, who is able to move the cart a few feet before getting "oinked-out." The horse points out that Grover is bigger than the pig and he could move the cart. Grover situates himself into the reigns and begins to pull the horse down the road.
| ||Murray announces "Elmo's World" is coming, but first they must launch the last of the rockets. A group of three have four fins on their rocket, which allows it to travel the farthest.|
| ||"Measure, Yeah, Measure"|
| ||"Can I get an Elmo?!" Murray and the kids introduce "Elmo's World."|
| || Elmo's World: Helping|
(First: Episode 4160)
This segment was replaced with Elmo's World: Jumping in the HBO version.
| ||Murray announces the sponsors.|
- The page for this episode on Sesamestreet.org lists an installment of Bert and Ernie's Great Adventures appearing in the episode. "Super Grover 2.0" is aired instead.
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