Question: The Dethalbum is the debut album of Dethklok, from what show that aired on Adult Swim from September 23, 2007 - September 7, 2008?

Context paragraphs:
Metalocalypse: The Doomstar Requiem: Metalocalypse: The Doomstar Requiem - A Klok Opera is a rock opera special for the Adult Swim animated series Metalocalypse.  It was announced on May 10, 2013, by Adult Swim and was released on October 27, 2013.  The special picks up directly after "Metalocalypse" season 4.  It featured all new music from Dethklok, which was released on a soundtrack album on October 29, 2013.

The Dethalbum: The Dethalbum is the debut album by virtual band Dethklok, from American animated sitcom "Metalocalypse".  It was released on September 25, 2007.  The album features full length songs from the TV series, as well as previously unreleased tracks.  Antonio Canobbio contributed the artwork for the record.

Metalocalypse (season 4): The fourth season of the animated show "Metalocalypse" originally aired on Adult Swim from April 29, 2012 to July 15, 2012 with 12 episodes.  The show follows virtual death metal band Dethklok.  This season returned to the original 11-minute-long episode format (15 minutes with commercials).  The season four DVD/Blu-ray was released on October 30, 2012 through Adult Swim/Warner Home Video.

Metalocalypse (season 1): The first season of the animated show "Metalocalypse" originally aired on Adult Swim from August 6, 2006 to December 17, 2006 with 20 episodes.  The show follows virtual death metal band Dethklok.  The majority of the music featured this season was released on the 2007 album, "The Dethalbum".

List of The Brak Show episodes: This is a list of episodes for the animated Adult Swim television series, "The Brak Show".  The pilot episode, "Mr. Bawk Ba Gawk", aired unannounced on December 21, 2000, on Cartoon Network.  The series officially premiered with "Goldfish" on September 2, 2001, on Adult Swim, and ended with three seasons and 28 episodes on December 31, 2003, with "Cardburkey".  On May 24, 2007, an additional webisode entitled "Space Adventure" was released on Adult Swim Video, no further webisodes have ever been produced.

Metalocalypse (season 2): The second season of the animated show "Metalocalypse" originally aired on Adult Swim from September 23, 2007 to September 7, 2008 with 19 episodes.  The show follows virtual death metal band Dethklok.  The majority of the music featured this season was released on the 2009 album "Dethalbum II".  The first episode of this season, "Dethecution" was released as part of the deluxe edition of "The Dethalbum".  This season featured the new re-recorded version of the "Deththeme", released as a hidden track on "The Dethalbum".

Sealab 2021: 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".

Dethalbum III: Dethalbum III is the third full-length album by virtual death metal band Dethklok, from the Adult Swim animated series "Metalocalypse".  The CD and deluxe CD/DVD were released on October 16, 2012.  It contains music from the second, third and fourth seasons of the show.  Like "The Dethalbum" and "Dethalbum II" before it, the music is performed by the show's creator Brendon Small and drummer Gene Hoglan.  Additionally, the band's live bassist, Bryan Beller, performs on the album.

Adult Swim (Australia): Adult Swim in Australia is an adult-oriented free-to-air television block that airs Sunday nights on 9Go! .  It was originally a separate network that shared channel space with The Comedy Channel, starting 1 January 2008.  Some Adult Swim shows have also aired on SBS2, and in October 2013 full episodes and short clips were made available on Adult Swim's Australian website, which has since become unavailable.

Adult Swim Singles Program 2012: 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.

Supporting paragraphs: Metalocalypse (season 2) The Dethalbum
Answer: Metalocalypse