20 (twenty) is a number in the Arabic numeral system. It has been depicted as a Muppet character, on occasion.

The number 20 appeared in counting segments starting in Sesame Street's first season, but did not sponsor an episode until Season 20.

In addition to sponsoring Sesame Street, 20 sponsored Sesamplein, the pilot for Sesamstraat.

Songs about 20

"Big Hello 1-20"
(First: Episode 1447)

"Birds Count 1-20"
(First: Episode 0134)

"Clothesline Number Twenty Song"
(First: Episode 4192)

"Counting Fish by 5's"
(First: Episode 4076)

"Counting Song (1-20)"
(First: Episode 0026)

How Many Cookies?
(First: Episode 4712)

"Number of the Day"
(First: Episode 4508)

"Number of the Day Waltz"
(First: Episode 4107)

"The Number 20 Song"
(First: Episode 4269)

"Ok, We Got a Hip-Hop Beat"
(First: Episode 4143)

"Twenty Pickle Pie"
(First: Episode 1244)

"Three of These Things" with Bob
(First: Episode 3365)

"Yip Yip Number of the Day"
(First: Episode 5128)

Segments about 20

Pat Paulsen counts to 20
(First: Episode 0101)

Jim Nabors counts to 20
(First: Episode 0150)

The Stars of Bonanza count to 20
(First: Episode 0131)

Carol Burnett counts to 20
(First: Episode 0132)

Bill Cosby and his twin count to 20
(First: Episode 0135)

A boy counts to 20
(First: Episode 0152)

Herbert Birdsfoot: Count to 20
(First: Episode 0189)

20 penguins on a slide
(First: Episode 0232)

20 backflips
(First: Episode 0262)

A guru counts to 20
(First: Episode 0276)

George the Farmer counts 20 barrels
(First: Episode 0278)

Detective Fred searches for the number 20
(First: Episode 0277)

Grover and Loren count to 20
(First: Episode 0290)

A magician pulls 20 numbers from his hat
(First: Episode 0337)

Cartoon count to 20
(First: Episode 0350)

20 feathers in the peacock's tail
(First: Episode 0406)

20 ice skaters
(First: Episode 0408)

20 antique cars
(First: Episode 0410)

Kermit, Chris and Stephanie count to 20
(First: Episode 0424)

Herry Monster and John-John count to 20
(First: Episode 0441)

Grover and John-John count to 20
(First: Episode 0476)

Marching Band: 1-20
(First: Episode 0504)

20 boxes
(First: Episode 0510)

Numbers from 1 to 20 line up
(First: Episode 0536)

20 numbers in a boat
(First: Episode 0614)

Kermit the Frog: Counting on a Napkin
(First: Episode 0619)

Heather teaches Grover to count to 20
(First: Episode 0776)

20 planes
(First: Episode 0798)

Sesame Street News Flash: Counting Grand Battements
(First: Episode 1416)

Moonlight count to 20
(First: Episode 1456)

Numbers from 1 to 20
(First: Episode 1465)

An elephant counts to 20
(First: Episode 1466)

Count von Count: Honkers
(First: Episode 1569)

A Rube Goldberg device turns on a television
(First: Episode 1869)

The Bellhop: 20
(First: Episode 2533)

Number Creatures #20
(First: Episode 2687)

Rubber Stamp 20
(First: Episode 2935)

Growing Numbers
(First: Episode 2967)

20 Shells
(First: Episode 2994)

20 Eggs
(First: Episode 3122)

"Parade of Numbers"
(First: Episode 3365)

20 jumping-jacks
(First: Episode 3434)

Count von Count: Liam Neeson Counts to 20
(First: Episode 3806)

Dancing Petroglyphs: 20
(First: Episode 3835)

Judge #20
(First: Episode 3858)

20 Bears
(First: Episode 3974)

The Number of the Day: Big Number 20
(First: Episode 4006)

Four hands, twenty fingers
(First: Episode 4006)

Race Horses
(First: Episode 4055)

The Number of the Day: Chris washes the number 20
(First: Episode 4181)

The Number of the Day: Murray counts blocks and kids
(First: Episode 4192)

20 masks
(First: Episode 4508)

Plaza Sésamo Segments about 20

Soccer Ball
(EKA: Episodio 748)

20 Faces
(EKA: Episodio 748)

Ink Numbers: 20
(EKA: Episodio 881)

A chicken lays 20 eggs
(EKA: Episodio 903)

20 marbles take the shape of the number 20.

Street Stories about 20

Madeline Kahn is amazed that Big Bird can count to 20, among other talents
Episode 1576

Zoe and her jacket present the number of the day
Episode 3858