November 21, 1988
Episode 1 of Season 20 premiered on November 21, 1988
January 1, 1970
Episode 2 of Season 20 premiered on January 1, 1970
January 1, 1970
Episode 3 of Season 20 premiered on January 1, 1970
January 1, 1970
Episode 4 of Season 20 premiered on January 1, 1970
January 1, 1970
Episode 5 of Season 20 premiered on January 1, 1970
January 1, 1970
Episode 6 of Season 20 premiered on January 1, 1970
January 1, 1970
Episode 7 of Season 20 premiered on January 1, 1970
January 1, 1970
Episode 8 of Season 20 premiered on January 1, 1970
December 1, 1988
Gordon has a headache.
December 2, 1988
Luis and his old chair.
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 ...Read more
January 1, 1970
Episode 12 of Season 20 premiered on January 1, 1970
January 1, 1970
Episode 13 of Season 20 premiered on January 1, 1970
December 8, 1988
Telly’s birthday party.
December 9, 1988
Maria and the Fat Blue man.
January 1, 1970
Episode 16 of Season 20 premiered on January 1, 1970
January 1, 1970
Episode 17 of Season 20 premiered on January 1, 1970
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 Fla...Read more
January 1, 1970
Episode 19 of Season 20 premiered on January 1, 1970
January 3, 1989
Legendary chanteuse Lena Horne and Grover perform a duet about not being shy. "Monsterpiece Theater" presents "Alibaba and the 40...Read more
January 1, 1970
Episode 21 of Season 20 premiered on January 1, 1970
January 1, 1970
Episode 22 of Season 20 premiered on January 1, 1970
January 1, 1970
Episode 23 of Season 20 premiered on January 1, 1970
January 1, 1970
Episode 24 of Season 20 premiered on January 1, 1970
March 1, 1989
Episode 25 of Season 20 premiered on March 1, 1989
January 1, 1970
Episode 26 of Season 20 premiered on January 1, 1970
January 1, 1970
Episode 27 of Season 20 premiered on January 1, 1970
January 1, 1970
Episode 28 of Season 20 premiered on January 1, 1970
January 1, 1970
Episode 29 of Season 20 premiered on January 1, 1970
March 23, 1989
Episode 30 of Season 20 premiered on March 23, 1989
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-Heade...Read more
May 18, 1989
Maria goes into labor.
May 19, 1989
Episode 130 of Season 20 premiered on May 19, 1989