20x1 - Episode 570

November 21, 1988

20x2 - Episode 571

20x3 - Episode 572

20x4 - Episode 573

20x5 - Episode 574

20x6 - Episode 575

20x7 - Episode 576

20x8 - Episode 577

20x9 - Episode 578

December 1, 1988

Gordon has a headache.

20x10 - Episode 579

December 2, 1988

Luis and his old chair.

20x11 - Episode 580

December 5, 1988

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

20x12 - Episode 581

20x13 - Episode 582

20x14 - Episode 583

December 8, 1988

Telly’s birthday party.

20x15 - Episode 584

December 9, 1988

Maria and the Fat Blue man.

20x16 - Episode 585

20x17 - Episode 586

20x18 - Episode 587

December 19, 1988

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. A vintage animation of Gerald's dog, Sparky, re-imagined as an alligator. The Honkers play "Mary Had a Little Lamb" on their noses.

20x19 - Episode 588

20x20 - Episode 589

January 3, 1989

Legendary chanteuse Lena Horne and Grover perform a duet about not being shy. "Monsterpiece Theater" presents "Alibaba and the 40 Thieves". The classic "Plants Need Water" and the "Invention of the Raisin" animations. Placido Flamingo stages a Sesame Street 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".

20x21 - Episode 590

20x22 - Episode 591

20x23 - Episode 592

20x24 - Episode 593

20x25 - Episode 594

March 1, 1989

20x26 - Episode 595

20x27 - Episode 596

20x28 - Episode 597

20x29 - Episode 598

20x30 - Episode 599

March 23, 1989

20x47 - Eipsode 2598

April 26, 1989

Loud talker Guy Smiley goes on safari and scares off the animals. A classic skit staring Ernie as "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.

20x129 - Episode 2614

May 18, 1989

Maria goes into labor.

20x130 - Episode 2615 - Birth of Gabriela

May 19, 1989