Loud talker Guy Smiley goes on safari and scares the animals; Ernie is "Old King Cole"; The Two-Headed Monster sings a lullaby to itself; Snuffy writes a love letter to his grandmother; Mumford's magic trick accidentally shrinks David; Ernie hosts an arboreal fashion show.

Legendary chanteuse Lena Horne and Grover perform a duet about not being shy; "Monsterpiece Theater" presents "Ali Baba and the 40 Thieves"; the classic "Plants Need Water" and "The Invention of the Raisin" animations; Placido Flamingo stages an opera; Kermit the Frog reports on the Three Little Pigs live for "Sesame Street News"; Soap opera spoofs of "All My Children" and "Another School."

An early Elmo meets Bob's deaf friend and learns to say "hello" in sign language; a classic skit of Phil Harmonic and Placido Flamingo live from the Nestropolitan Opera; Gerald's dog, Sparky is re-imagined as an alligator, and The Honkers play "Mary Had a Little Lamb" on their noses.

Big Bird and Snuffy groove to a disco version of "Rubber Duckie"; Guy Smiley and Cookie Monster appear in "Beat the Time"; Grover sings about the letter "I"; Bob and Big Bird meet a dragon in New York's Chinatown; and Ernie's opera singing wakes the neighbors. Plus: Herry Monster visits the eye doctor and an animated version of "We All Live in a Capital I."

Grover serves up burgers of all sizes; Bert and Ernie ransack their own apartment; Ernie tricks Bert out of a bigger piece of pie; and Biff helps Salvador DaDa create a museum. The fun continues with the Twiddlebugs and a live-action feature about recycling paper.

Grammy Award winner Bobby McFerrin sings ABCs with Hoots the Owl; the Two-Headed Monster blows bubbles; Maria and Luis reminisce about their wedding; Betty Lou sings the "Amigo" song; "Sesame Street News" correspondent Kermit the Frog reports on London Fog; Ernie and Bert encounter a leaky faucet; Cookie Monster sings about subtraction, and Placido Flamingo performs a "Lost Toy Opera" with Big Bird.

Big Bird cannot remember how to write a lowercase "r". Luckily, a cute letter "r" drops onto his easel! With the help of his uppercase and lowercase visitors, Big Bird practices writing the letter "r". Gordon and Mr. Hooper meet the two Rs.

A TV-addicted Telly Monster moves to Sesame Street; Cookie eats his way through an avalanche as train conductor "Casey MacPhee"; The Count sings "The Song of the Count"; Kermit reports on Sleeping Beauty for "Sesame Street News"; Plus: a classic Harvey Kneeslapper skit.

Sesame Street names its new Muppet dog "Barkley"; Comedian/pianist Victor Borge demonstrates high notes and low notes; actress Madeline Kahn sings, "Me, Me, Me"; Herry Monster learns "up" and "down" with John-John, and Ernie is fooled by a newspaper boy.

It's a feast of vintage Cookie skits! A prank pulled on Bert backfires on Cookie and Ernie; Cookie's call to his mother ends when he eats the telephone. Also: sing along with a classic version of "One of These Things" and a very animated ABC song.

Kermit sings the original version of "Being Green"; Bert and Ernie perform the classic "Banana Telephone" skit; Roosevelt Franklin sings "I'm Roosevelt Franklin"; Bob sings an early version of "Who Are the People in Your Neighborhood?" Also: Cookie Monster eats Ernie's cookie and Oscar calls "Dial-a-Grouch."

An orange Oscar demands a baked-bean sundae; Kermit the Frog explains the word "in"; and Gospel diva Mahalia Jackson sings "He's Got the Whole World in His Hands." Also: "Solomon Grundy" and "Wanda the Witch" make their debut.

Gordon introduces Sesame Street's residents - both Muppet and human; Cookie Monster disrupts Kermit the Frog's lecture on the letter "W"; and Carol Burnett is the first celebrity guest. Also: It's the debut of the song/game "One of These Things (Is Not Like the Other)."