Sesame Workshop

1st Logo (June 5, 2000-August 2007)
Nicknames: "House of Boredom", "The Sesame Workshop House", "Cheesy House", "The House of Annoyance", "The Lightning Star"

Logo: On a white background, we see an abstract green house with a purple roof and the text "sesameworkshop" outlined below. The window of the house is filled with yellow glitter. The house bounces and the roof explodes open to the right, sending the glitter sprinkling all over. Some of the glitter remains to form a lightning bolt crowned with a star, some sprinkles to the left to fill the "sesame" text with purple, and some sprinkles to the right to fill the "workshop" text with green, rendering it like this:

sesameworkshop

Variants:
 * Green house and purple roof (most common variant).
 * Purple house and red roof (second common variant). This is the first variant to contain the byline described below.
 * Blue house and green roof.
 * Red house and blue roof.
 * Green house and green roof.
 * Purple house and green roof.
 * The text "The nonprofit organization behind Sesame Street and so much more" (in the same color as the house) is shown below on occasion.
 * On some occasions, the "www.sesameworkshop.org" URL can be seen below the "sesameworkshop" text.
 * Another variant has been discovered using the purple house and red roof, and features a byline reading "A nonprofit educational organization" below the "sesameworkshop" text, and the "sesameworkshop.org" URL can be seen underneath the nonprofit byline.
 * Some have a copyright date, such as the Dutch co-production Sesamstraat.
 * There is an extended variant that is practically the URL and the "nonprofit organization" variants combined into one, where it fades in between the bylines (from the nonprofit one to the URL one). Another extended variant used on a Sesame Workshop trailer has the logo zooming out from the center and the animation playing as usual.
 * On Alam Simsim, the logo is on an orange background with kids' drawings.

In-Credit Variants:
 * On 2003-06 (Seasons 34-37) Sesame Street episodes, the in-credit variant from 2001 is seen during the end of the 1992-2006 credit sequence.
 * At the end of Sesame English, a superimposed variant is seen.
 * On some VHS and DVD releases of Sesame Street, the logo is still. This one has no byline or URL underneath at all.
 * On Tiny Planets, the logo is to the left of the Pepper's Ghost Productions logo.

Plaza Sésamo Variant: On early 2000s episodes of Plaza Sésamo, a picture of the logo flies around with the Televisa logo.

FX/SFX: The house bouncing, the glitter filling in the words and the shooting star forming. The logo was designed by Carbone Smolan; the animation was done by The Ink Tank.

Music/Sounds: A stretching and "pop" sound for the roof with giggling children as a bass clarinet plays, and then a short accordion riff.

Music/Sounds Variants:
 * The in-credit version on Seasons 34-37 of Sesame Street has the final seconds of the 1992 hip-hop version of the Sesame Street theme playing, now shortened/remixed.
 * In some cases, such as Season 38 of Sesame Street, Tiny Planets, and The Upside Down Show, it uses the closing theme of the show.
 * On the still variant, a breathy synth-chime theme is heard. This was used on Alam Simsim as well.
 * The trailer variant has stock music with different sound effects for the roof exploding and an African-American female narrator saying "Learn more at sesameworkshop.org".
 * The extended purple house-red roof variant has the same stock music and a different female narrator saying, "Sesame Workshop: The non-profit organization behind Sesame Street and so much more. Learn more at sesameworkshop.org".
 * On certain Sesame Street DVDs, extra sounds accompany certain actions (i.e. the roof explosion, the sprinkling, etc.), which are usually silenced on the variant directly above.

Availability: Originally very common, but nowadays is more uncommon. The animated version was first seen on Season 1 reruns of Dragon Tales, and the still version debuted on Sesame Street: Let's Make Music and Elmo's World: Singing, Drawing & More!. At one point, it was to Sesame Workshop what the "Bars of Boredom" was to Sony Pictures Television, and appeared on many DVD and VHS releases from the company, and pretty much on every show PBS and Sesame Workshop distributed together, with the exception of post-2008 episodes of Sesame Street. It's no longer current, so you'll have to rely on Sesame Street and Dragon Tales VHS tapes and DVDs.
 * Green house-purple roof variant: Uncommon; it was seen on 2001-2002 episodes of Sesame Street, Tiny Planets, and 2001-2005 episodes of Dragon Tales (on which it also replaced the CTW logo seen on 1999-2000 episodes).
 * Extended Variant: Can be seen on certain DVD releases of shows from Sesame Workshop from around 2004-2008, more specifically Play With Me Sesame.
 * Purple house-red roof variant: Rare. It was seen on Sagwa: The Chinese Siamese Cat, Play with Me Sesame, Seasons 34-37 of Sesame Street, and various direct-to-video productions of said show from the early 2000s.
 * Red house-blue roof and blue house-green roof variants: Scarce.
 * The former variant can be seen at the end of The Upside Down Show (the still variant), a Sagwa, The Chinese Siamese Cat promo (seen on Canadian CinéGroupe Star VHS releases) and Sesame Street Sports for the PlayStation (both of which use the animated variant), both mentioned above.
 * The latter variant was seen on Plaza Sésamo, Ulitsa Sezam, Pinky Dinky Doo, Świat Elmo on MiniMini, and perhaps other foreign-language co-productions of Sesame Street. It also occasionally alternated with the green house-purple roof variant on Dragon Tales.
 * Purple house-green roof variant: Unknown. It was speculated on this wiki to have appeared on earlier episodes of The Upside Down Show, but those episodes use the red house-blue roof variant instead.

Editor's Note: It's cute, but it may be considered annoying due to its omnipresence, though its presence was significantly toned down in recent years. On the trailer variants, the house appears to be in a white square as if it was copy-pasted onto a new background.

2nd Logo (August 13, 2007-April 5, 2011)
Logo:
 * On Season 38 of Sesame Street, we see Abby Cadabby fly by as she forms the phrase "a production of sesameworkshop" and the "The non-profit organization..." byline (all in green text) with her magical wand. Abby disappears and the background fades to black.
 * On the 2009 revival of The Electric Company, the logo appears below the epilogue of the preceding episode (both of which are in-credit).

FX/SFX: The animation of the "sesameworkshop" text for the first variant; the logo fading in for the second variant.

Music/Sounds:
 * Sesame Street (Season 38): The closing theme of the show, which is an instrumental R&B remix of the Sesame Street theme song.
 * The Electric Company (2009): The dialogue heard in the clip above the logo.

Availability: Rare. Seen on Season 38 of Sesame Street and the 2009 revival of The Electric Company; HBO Max prints of the latter keep this logo intact. Like with the previous logos, check your tapes.

Editor's Note: None.

3rd Logo (August 11, 2008-July 14, 2018)
Nicknames: "Sesame Workshop All-Stars", "The Elmo Logo", "Uh-ha-ha-ha-ha-ha!", "Elmo's LOL"

Logo: On a yellow background, the green "sesame" text is seen, arranged like this:

sesame

Next to it, various stills of CTW/Sesame Workshop characters appear one-by-one next to the logo, including characters from CTW/Sesame Workshop co-productions outside of the U.S.. Characters include, from left to right:
 * Cookie Monster (replaced by Elmo in the Shara'a Simsim variant)
 * Chamki (from Galli Galli Sim Sim, the Indian co-production of SS)
 * A claymation Bert (from Bert and Ernie's Great Adventures)
 * Big Bird
 * A claymation Ernie (also from Bert and Ernie's Great Adventures)
 * Abelardo Montoya (from Plaza Sésamo, the Mexican co-production of SS)
 * Kami reading a book (from Takalani Sesame, the South-African co-production of SS)
 * Pinky (from Pinky Dinky Doo)

Then, the "workshop" text pops in letter-by-letter from right to left, replacing the characters, and is now arranged like this:

sesameworkshop

A still of Elmo fades in reclining on the last O, and below that the byline "The nonprofit organization behind Sesame Street" fades in, and the URL "www.sesameworkshop.org" fades in with and below the byline. Then, we hear Elmo's distinctive laughter.

Variants:
 * On Season 39 of Sesame Street, the credits cross-fade to the logo.
 * Sesame Tree, Northern Ireland's co-production of Sesame Street, uses a special still variant that shows the Sixteen South logo and SW logos at the top with "Produced in association with BBC Northern Ireland" below it, along with a copyright date.
 * On international airings of Bert and Ernie's Great Adventures, the logo is still and on a black background with a copyright notice.
 * An early variant has Elmo's fur in a brighter shade of red than usual and his body leaning up more.
 * There is also a variant with nothing below.
 * Shara'a Simsim used a variant with Grover in place of Elmo. This also has Cookie Monster being replaced with Elmo in the logo's formation.
 * On 16:9 DVDs from Sesame Workshop and Seasons 40-45 of Sesame Street, they use a widescreen version cropped with vert-field of view.

FX/SFX: The characters appearing and changing into the text, and Elmo fading in.

Music/Sounds: The standard audio is a tuba tune with accordions followed by Elmo's distinctive laugh (done by either Kevin Clash or Ryan Dillon) when he fades in (the laugh is replaced with a deep boing on the Grover variant). On 2008-2015 Sesame Street episodes, the ending of the then-current Sesame Street closing theme is heard, with Elmo's laugh heard at the end. The Sesame Tree variant uses the ending theme of the show.

Music/Sounds Variants:
 * On the Sesame Street: Old School DVD box sets, the logo is silent.
 * On international airings of Bert and Ernie's Great Adventures, we hear a clock ticking.

Availability: Pretty common.
 * Seen on episodes of Sesame Street, from Season 39 (2008) to at least Season 45 (2014-2015). It can also be seen on later episodes of Pinky Dinky Doo and Plaza Sésamo.
 * The Grover variant is only seen on Shara'a Simsim.
 * The Sesame Tree variant is seen on said show.
 * DVDs such as Learning Letters with Elmo, Elmo's Rainbow and Other Springtime Stories, Elmo's Alphabet Challenge, The Cookie Thief, Elmo's Super Numbers and Learning Rocks also have this logo intact.
 * Fortunately, this logo did not plaster over the previous logo on post-2008 DVD releases of Dragon Tales, even on re-runs of the show, because Sony didn't have plans to keep the logos up to date.
 * It doesn't appear on The Furchester Hotel, which only uses an in-credit notice.

Editor's Note: Another cute one, but at least it's not known for plastering like the previous logo. Of course, those with a strong distaste for Elmo may be put off by it.

4th Logo (August 18, 2018- )
Nicknames: "Sesame Street 's Cookie Jar", "Sesame Street Sign Of Boredom"

Logo: On a white background, the words "SESAME" and "WORKSHOP" draw themselves in, from left to right, as two lines draw themselves in from left to right as well (a yellow one with a hump in it above the words and a straight green line below the words). The "TM" symbol also appears next to the "P". The end result resembles the Sesame Street sign.

Variants:
 * At the beginning of Esme & Roy, the logo is completely white, and is right next to the HBO logo, with a light orange "&" symbol in the middle. "Present" is seen below the logos in the same color. It is on an orange background.
 * Esme & Roy used a still version with "SESAME" and "WORKSHOP" stacked on top of each other.
 * Starting with Season 51 of Sesame Street, we see the Sesame Street logo form out of CGI, which then settles down. Then the logo pans upwards to the Sesame Workshop logo drawing itself in.

FX/SFX: The lines drawing. This was designed by Trollbäck+Company, who also animated the Fox Productions logo and the current ABC IDs.

Music/Sounds: A 3-note xylophone tune (similar to the NBC chimes) that has the same rhythm, but not the same pitch, as the first 3 notes of the Sesame Street theme. Otherwise, it's the end theme of the show.

Music/Sounds Variant: HBO Max prints have music used on the copyright screens from older episodes, namely the "Funky Chimes" and the "Calypso" theme playing over the logo. Similarly, the audio from the previous logos also remains intact on episodes from that era.

Availability: Current. The logo first appeared on a Variety news article on June 20, 2018. Its first on-screen appearance was on Esme & Roy on HBO Kids and HBO Max in the US and Treehouse TV in Canada. It's currently seen on episodes of Sesame Street starting with Season 49 (2018-2019) and has been spotted plastering older logos on older episodes.

Editor's Note: Another logo within the modern trend of "simplicity", and as a result, it's VERY generic. The two lines on the top and bottom give it a suspicious resemblance to the Cookie Jar logo. Some may appreciate the simplicity and the resemblance to the Sesame Street sign, however.