Question: When did the Japenese series Moribito: Guardian of the Spirit first premier of Caroon Network's Adult Swim prgramming block?

Context articles: Sealab 2021
Adult Swim Singles Program 2012
Moribito: Guardian of the Spirit
List of Moribito: Guardian of the Spirit episodes
Adult Swim
Animation Domination High-Def
Moribito series
Rick and Morty (season 3)
Adult Digital Distraction
Moribito II: Guardian of Darkness

Sealab 2021 is an American adult animated television series created by Adam Reed and Matt Thompson.
 It was shown on Cartoon Network's late-night programming block, Adult Swim.
 Cartoon Network aired the show's first three episodes in December 2000 before the official inception of the Adult Swim channel on September 2, 2001, with the final episode airing on April 25, 2005.
 "Sealab 2021" is a spin-off of "Space Ghost Coast to Coast", and is one of the four original Williams Street series that premiered in 2000 before Adult Swim officially launched, the others being "Aqua Teen Hunger Force", "The Brak Show" and "Harvey Birdman, Attorney at Law".
Adult Swim Singles Program 2012 is a series of free download single releases in which the Cartoon Network franchise Adult Swim released a song from a different artist every Monday from June 18, 2012 to September 10, 2012.
 The series was presented by Kia, the same sponsor from Adult Swim Singles Program 2010 and Adult Swim Singles Program 2011.
 On September 10, 2012, the bonus track "@deathgripz" by Death Grips was released as well as an option to download all the singles as one album.
Moribito: Guardian of the Spirit (精霊の守り人 , Seirei no Moribito ) is the first in the twelve volume "Moribito" (守り人 ) series of Japanese fantasy novels by Nahoko Uehashi.
 It has since been adapted into numerous media, including radio, manga, and adaptations.
 Scholastic released the first novel in English in June 2008.
 Media Blasters has confirmed that they acquired the rights to the anime.
 The series premiered on Adult Swim in the U.S. at 1:30 a.m. on August 24, 2008 EST, but was dropped from the schedule without warning or explanation on January 15, 2009 after two runs of the first ten episodes.
 The program returned to Adult Swim during the summer 2009 line-up with an airing of the entire series.
This is a list of episodes of the Japanese animated TV series (精霊の守り人 , Seirei no Moribito ) .
 The episodes are directed by Kenji Kamiyama and produced by Production I.G.
 The English adaptation of the series has been licensed by Geneon Entertainment.
 The episodes are based on the "Guardian" (守り人 , Moribito ) series of Japanese fantasy novels, written by Nahoko Uehashi, and adapt the first installment, "Moribito: Guardian of the Spirit", over twenty-six episodes.
 They aired from April 7, 2007, to September 29, 2007, on NHK-BS2.
Adult Swim (stylized as [adult swim]) is the adult-oriented nighttime programming block of American children's cable network, Cartoon Network, that operates daily from 8:00 pm to 6:00 am, Eastern and Pacific Time.
 It is programmed by Williams Street Productions, a subsidiary of Turner, which also developed two other programming blocks for Cartoon Network: Toonami (which later became a block on Adult Swim in 2012) and Miguzi.
 The block gets its name from a phrase used by public swimming pools in the United States to label designated times when children are restricted from using the facilities in favor of adults.
Animation Domination High-Def (also called Animation Domination HD, Fox ADHD, and ADHD) is a late-night programming block broadcast by Fox.
 Originally premiering on July 21, 2013 as a spin-off of the Fox network's Sunday-night "Animation Domination" block, the block originally focused on new, original adult animation series—similarly in style to Adult Swim.
 The ninety-minute block and its content were primarily produced by Friends Night, a studio headed by Adult Swim alumni Nick Weidenfeld, Hend Baghdady, and creative director Ben Jones (who also created "The Problem Solverz" for Cartoon Network)—including its programs, along with interstitials and other content featured during its programming.
The Moribito series (守り人シリーズ , Moribito shirīzu, translation: "Guardian series" ) is a twelve volume series of Japanese fantasy novels, written by Nahoko Uehashi.
 The first novel in the series, "Guardian of the Spirit", has been adapted into numerous media, including a radio drama, manga series, and an .
The third season of the animated television series "Rick and Morty" originally aired in the United States on Cartoon Network's late night programming block, Adult Swim.
 It premiered with "The Rickshank Rickdemption," which aired unannounced on April 1, 2017 and was replayed every half hour from 8pm to 12am ET, as part of Adult Swim's annual April Fools' prank.
 The episode was also simulcast as a looping live stream on Adult Swim's site.
 The remaining episodes began airing on July 30, 2017.
 The season will feature a total of 10 episodes.
Adult Digital Distraction (ADd) is a block airing on G4 Canada.
 Similar to Adult Swim and Teletoon at Night, Adult Digital Distraction airs mature comedies.
 It parallels the American counterpart's "Midnight Spank" block.
 Its programming consist of Adult Swim shows (some previously aired on Teletoon at Night), syndicated sitcoms and G4 original series.
 In late 2011, the block had been discontinued due to pressure from the CRTC.
 However, in Early 2012, the Adult Digital Distraction block had been relaunched.
Moribito II: Guardian of the Darkness is the second book in the "Moribito series", a series of fantasy novels by Japanese author Nahoko Uehashi.
 It was written in 1999 and published by Kaisei-Sha Publishing Co., Ltd. in hardcover format and by Shinchosha in bunkoban format.
 The English translation was published in 2009 by Arthur A. Levine Books, an imprint of Scholastic.
 The novel follows the main character of the first book, Balsa, as she returns to her home country following the events of Guardian of the Spirit.
 The title refers to the mysterious spirits known as "hyohlu" who play a large role in the book.