Sesame Street

Sesame Street (1969 – ...)

1969 • 56 seasons • Kids, Comedy • TV-Y

On August 10, 2026

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794th by attention TV show online

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Episode 111 — The case of the missing round objects

Season 17 • Sesame Street

Released: 1986-04-21 • Kids/Comedy

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Big Bird delivers detective-style narration over scenes of the street, claiming today was just like any other day. Big Bird finds Maria about to play tennis, but her three tennis balls disappear behind their backs one by one.

Sponsors: C, S, 6

Where to Stream Episode 111

Season 17 · Episode 111 · Streaming in USA

JustWatch

Episodes

Episode 1
The adults on Sesame Street finally meet Mr. Snuffleupagus
1985-11-18

Episode 2
Snuffy befriends Maria
1985-11-19

Episode 3
Snuffy plays the harpmonica
1985-11-20

Episode 4
Gordon babysits Snuffy
1985-11-21

Episode 5
Episode 2100
1985-11-22

Episode 6
Oscar’s ice cream stand
1985-11-25

Episode 7
Gladys needs a new cowbell
1985-11-26

Episode 8
Hooper's has a broken window
1985-11-27

Episode 9
Remembering Mr. Hooper's egg cream
1985-11-28

Episode 10
Forgetful Maria
1985-11-29

Episode 11
Big Bird's toys
1985-12-02

Episode 12
Bernie, a piano tuner, tunes Oscar's piano; Olivia goes on a date with Bernie
1985-12-03

Episode 13
Telly doesn't get angry
1985-12-04

Episode 14
Snuffy plays his flute
1985-12-05

Episode 15
Telly’s gravity experiment
1985-12-06

Episode 16
Polly Darton visits
1985-12-09

Episode 17
Grundgetta enjoys the rain
1985-12-10

Episode 18
Oscar writes a play about trash
1985-12-11

Episode 19
Luis' birthday
1985-12-12

Episode 20
Oscar and the butterfly
1985-12-13

Episode 21
A noisy day in the library
1985-12-16

Episode 22
Teaching a baby Honker the alphabet.
1985-12-17

Episode 23
Oscar's eclipse party
1985-12-18

Episode 24
Grouch diving contest
1985-12-19

Episode 25
Gladys jumps over the moon
1985-12-20

Episode 26
Piri gets a job at Hooper's
1985-12-23

Episode 27
Miles' adoption
1985-12-24

Episode 28
Miles' adoption
1985-12-25

Episode 29
Miles' adoption
1985-12-26

Episode 30
Miles' adoption
1985-12-27

Episode 31
A piano on Sesame Street
1985-12-30

Episode 32
Episode 2127
1985-12-31

Episode 33
Dr. Price invents the square ball
1986-01-01

Episode 34
Forgetful Jones loses his numbers
1986-01-02

Episode 35
Uncle Wally recalls his sailor days
1986-01-03

Episode 36
Episode 2131
1986-01-06

Episode 37
Episode 2132
1986-01-07

Episode 38
Episode 2133
1986-01-08

Episode 39
Telly meets Placido Flamingo
1986-01-09

Episode 40
Episode 2135
1986-01-10

Episode 41
Episode 2136
1986-01-13

Episode 42
Episode 2137
1986-01-14

Episode 43
Grandma Grace surprises David
1986-01-15

Episode 44
Episode 2139
1986-01-16

Episode 45
Oscar writes Grouch poems
1986-01-17

Episode 46
Climbing Mount Garage
1986-01-20

Episode 47
Jiffy the turtle / Barkley the cow
1986-01-21

Episode 48
David and the potted plant
1986-01-22

Episode 49
Big Bird practices magic
1986-01-23

Episode 50
A day of photographs
1986-01-24

Episode 51
Episode 2146
1986-01-27

Episode 52
Real Grouches
1986-01-28

Episode 53
The Count’s suitcases
1986-01-29

Episode 54
Episode 2149
1986-01-30

Episode 55
Big Bird and Snuffy pretend to explore Sesame Street
1986-01-31

Episode 56
Oscar thinks Slimey has run away
1986-02-03

Episode 57
Big Bird loses Radar
1986-02-04

Episode 58
Big Bird and Snuffy's notes
1986-02-05

Episode 59
Upagusses of the World
1986-02-06

Episode 60
Micki's friend Tanya visits
1986-02-07

Episode 61
Playing with Barkley
1986-02-10

Episode 62
Episode 2157
1986-02-11

Episode 63
Dr. Nobel Price invents "entrada"
1986-02-12

Episode 64
Miss Blechman visits Oscar, her favorite student
1986-02-13

Episode 65
Episode 2160
1986-02-14

Episode 66
Big Bird and the mattress
1986-02-17

Episode 67
Introducing Leo the Party Monster
1986-02-18

Episode 68
Ask Oscar about discussions
1986-02-19

Episode 69
Nighttime on Sesame Street
1986-02-20

Episode 70
What does "welcome" mean?
1986-02-21

Episode 71
Gladys presents herself
1986-02-24

Episode 72
Episode 2167
1986-02-25

Episode 73
Episode 2168
1986-02-26

Episode 74
Episode 2169
1986-02-27

Episode 75
Episode 2170
1986-02-28

Episode 76
Sunday dinner
1986-03-03

Episode 77
Snuffy puts on a play about the sun
1986-03-04

Episode 78
A day with books on Sesame Street
1986-03-05

Episode 79
Episode 2174
1986-03-06

Episode 80
Episode 2175
1986-03-07

Episode 81
The Two-Headed Monster Writes a Story
1986-03-10

Episode 82
Piri learns to play guitar
1986-03-11

Episode 83
Luis cleans up Big Bird's nest
1986-03-12

Episode 84
Big Bird wants Bob to hear his song
1986-03-13

Episode 85
Forgetful Jones joins the Birdketeers
1986-03-14

Episode 86
Snuffy wants to be a cabbie / Telly is Oscar's dog
1986-03-17

Episode 87
Telly prepares to visit Granny Monster
1986-03-18

Episode 88
Episode 2183
1986-03-19

Episode 89
Big Bird and Snuffy help at the library
1986-03-20

Episode 90
Episode 2185
1986-03-21

Episode 91
Elmo's rhyming game
1986-03-24

Episode 92
Slimey's movie
1986-03-25

Episode 93
Episode 2188
1986-03-26

Episode 94
Episode 2189
1986-03-27

Episode 95
Episode 2190
1986-03-28

Episode 96
Episode 2191
1986-03-31

Episode 97
The Earthworm's Book of Magic
1986-04-01

Episode 98
Episode 2193
1986-04-02

Episode 99
Gordon and Bob play Birdketeers
1986-04-03

Episode 100
Episode 2195
1986-04-04

Episode 101
Oscar and the Grouchketeers read
1986-04-07

Episode 102
Gordon plays the flute
1986-04-08

Episode 103
Episode 2198
1986-04-09

Episode 104
Episode 2199
1986-04-10

Episode 105
Phone books
1986-04-11

Episode 106
A hot day on Sesame Street
1986-04-14

Episode 107
Big Bird’s information booth
1986-04-15

Episode 108
Maria and Grundgetta go shoe shopping
1986-04-16

Episode 109
Telly discusses "information"
1986-04-17

Episode 110
Wynton Marsalis visits
1986-04-18

Episode 111
The case of the missing round objects
1986-04-21

Episode 112
Telly loses Cool
1986-04-22

Episode 113
Uncle Wally returns
1986-04-23

Episode 114
Episode 2209
1986-04-24

Episode 115
Elmo does magic; a blackout happens
1986-04-25

Episode 116
Rubén Blades visits
1986-04-28

Episode 117
Forgetful's gift for Miles
1986-04-29

Episode 118
Uncle Wally Had a Farm
1986-04-30

Episode 119
Oscar meets Rachel the artist
1986-05-01

Episode 120
Episode 2215
1986-05-02

Episode 121
Big Bird and the scarecrow
1986-05-05

Episode 122
Itzhak Perlman visits
1986-05-06

Episode 123
Episode 2218
1986-05-07

Episode 124
Will it sink or will it float?
1986-05-08

Episode 125
Making pig calls
1986-05-09

Episode 126
Important reports from Telly
1986-05-12

Episode 127
Leo's street party
1986-05-13

Episode 128
Oscar's "New School for Grouch Research"
1986-05-14

Episode 129
Elmo and Big Bird play with a sleeping Barkley
1986-05-15

Episode 130
Big Bird makes a decision
1986-05-16

Information

Creator	Jim Henson, Joan Ganz Cooney, Lloyd Morrisett
Episode air date	21.04.1986
Episode runtime	—
Episode rating	0.00
Genres	Kids / Comedy
TMDB series rating	7.1
IMDb series rating	8.1
Series status	Returning series
Age rating	0+
Country	US

Trailer

Cast

Frank Oz
Bert

Sonia Manzano
Maria Figueroa Rodriguez

Roscoe Orman
Gordon Robinson

Martin P. Robinson

Martin P. Robinson
Telly Monster/Aloysius Snuffleupagus/Irvine/Slimey (voice)

Suki Lopez
Nina

Violet Tinnirello

Violet Tinnirello
Charlie

Jennifer Barnhart

Jennifer Barnhart
Zoe (voice)

Ryan Dillon
Elmo (voice)

Alan Muraoka
Alan

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