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 67 — Introducing Leo the Party Monster

Season 17 • Sesame Street

Released: 1986-02-18 • Kids/Comedy

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Luis and Maria go about their business at the Fix-It Shop when they hear a loud tune blaring. In comes Leo the Party Monster, a monster who loves partying more than anything. Leo shows up again, asking to use the Fix-It Shop's computer to write out some invitations for a party at Bob's apartment. He promises Luis he won't do any partying while he works.

Sponsors: J, X, 5

Where to Stream Episode 67

Season 17 · Episode 67 · Streaming in USA

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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	18.02.1986
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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