from. Home media United States In the United States, Sterling Entertainment released a VHS/DVD titled "Dr. Robotnik's Revenge" in July 2003, containing three episodes, and a bonus Super Mario Bros. episode on the DVD release. It was re-released by NCircle Entertainment in March 2007 without the bonus Mario episode. The Sterling versions of the Adventures of Super Mario Bros. 3 "King Koopa Katastrophe" and The Legend of Zelda "Ganon's Evil Tower" DVDs also included 1 and 2 episodes respectively as DVD bonuses which the NCircle reissues of both releases excluded. Sterling Entertainment's VHS/DVD release of Sonic Christmas Blast also included 3 episodes (2 on the VHS). Shout! Factory and Vivendi Entertainment have released the complete series on DVD in Region 1 (NTSC) in two volume sets. Volume 1, simply entitled Sonic Underground, was released on December 18, 2007. It contains the first 20 episodes of the show on three discs, with disc three also including interviews with DIC's Robby London, Mike Piccirillo, an opening title animatic, and concept art. A bonus fourth disc is an audio CD containing eight songs from the series, including the opening theme. Sonic Underground: Volume 2 was released on 17 June 2008, featuring the remaining 20 episodes and another bonus audio CD featuring eight more songs from the series. From 2007 until 2010, NCircle Entertainment released several single-release DVDs containing four episodes each: The compilation release "Sonic Mega Mix", released on January 4, 2011, includes the episodes "Underground Masquerade" and "Sonic Tonic". In May 2013 NCircle Entertainment re-released the first Shout! Factory boxset of the series, and later re-released Volume 2 in May 2017. , Sonic Underground is available on the iTunes Store. United Kingdom In 2004, Anchor Bay UK obtained rights to distribute several DIC cartoons, including Sonic Underground on home video. The first two volumes were released on May 31, 2004https://web.archive.org/web/20040817010803/http://www.anchorbay.co.uk/perl/search.pl?CO=ABD4316 while the next two were released on August 16, 2004.https://web.archive.org/web/20040908073553/http://www.anchorbay.co.uk/perl/search.pl?CO=ABD4318 There were plans for the remaining six volumes to be released separately, but they were instead released in a 10-DVD boxset in October 2004. In July 2005, Avenue Entertainment released two budget DVDs containing two episodes each. Delta Home Entertainment released the complete series again on DVD in June 2008 as a 4-disc set, with the fifth DVD containing the bonus features from the Shout! Factory DVD boxset. Delta Home Entertainment also released the four discs separately, with Disc 1 and 2