Telly, upon reading only the beginning of "Cinderella", wants to save her from her life as a servant, so Mumford brings her to the street and she gets a whole new perspective on life.
Petey break dances, and then Oscar shows him how Fluffy the elephant does it. Meanwhile, Maria tells Big Bird about the jobs she has held since graduating from high school. Today's sponsors are the letters E and R and the number 7.
Petey wonders about the origin of the name of the store on Sesame Street, so Big Bird and Maria tell him about the late Mr. Hooper. Then, Telly plays a game at Oscar's can, trying to figure out the scrambled word on a sign.
Oscar the Grouch meets Dizzy Gillespie while playing his trumpet. Meanwhile, the other Sesame Street characters are getting their rock and roll on with Kermit the Frog singing "Do-Op Hop" and Nick Normal sings about the letter N.
Big Bird and Snuffy are planning to go on a picnic when Big Bird finds Gordon and Susan preparing for when they adopt Miles and decides to help. Snuffy, who didn't know about Miles, thinks he's replacing him as Big Bird's best friend.
Susan and Gordon bring home their new son, Miles. Big Bird and Telly worry that the new parents may run out of love for them and use it all on Miles, the way they can sometimes run out of birdseed.
Susan and Gordon are now parents. They baby-proof their apartment so Miles doesn't hurt anything or get hurt himself. Then they try to get him to sleep, and their friends stop by to witness the baby in slumber. But then, Oscar shows up.
Today, Susan's parents pay a visit to see their new grandson, Miles, for the first time. And Snuffy donates some sand from Hawaii for the sandbox Maria and the kids are building. Today's sponsors are the letters G and K and the number 9.