The series begins with a flashback of the destruction of Planet Vegeta at the hands of Frieza, and the upbringing of Goku on Earth as depicted in the original Dragon Ball series. "Prologue to Battle! The Return of Son Goku" / "Prologue to Battle! The Return of Goku!" Īlso in 2010, Kirby Morrow announced that Ocean Productions had started producing an alternate English dub of Kai, which is to be released in Canada and the U.K. Furthermore, Funimation is also releasing bilingual uncut DVD and Blu-Ray box sets of the series in the U.S. In addition to Nicktoons, Kai also began airing on The CW's Toonzai programming block on August 14, 2010. Funimation's dub of Kai features most of the voice actors from their in-house dub of Dragon Ball Z (though also several re-casts), as well as a more faithful adaptation of the Japanese dialogue than their previous dub. premiere on the Nicktoons network on May 24, 2010. In 2010, Funimation Entertainment licensed the series for an English-language release. The first Blu-Ray and DVD compilation was released in Japan on September 18, 2009, with individual volumes releasing monthly as well as Blu-Ray box sets. Although the story footage is taken from existing material, the opening and closing sequences were made from scratch using updated animation methods. The background music for the series was composed by Kenji Yamamoto, whose music was used for most of the series however, Yamamoto's music was later replaced with music cues originally composed for Dragon Ball Z by Shunsuke Kikuchi, after Yamamoto was accused of infringement. The second ending theme, used from episode 55 onwards, is titled "Kokoro no Hane" ( 心の羽根, "Wings of the Heart" ?) performed by Team Dragon from AKB48, an all-female group composed of members from AKB48. Both pieces are part of a unit called Dragon Soul with guitarist and composer Takafumi Iwasaki. The opening theme, titled " Dragon Soul", is performed by Takayoshi Tanimoto, who also performed the first ending theme, titled "Yeah! Break! Care! Break!". The series uses three pieces of theme music. Much of the material from the Dragon Ball Z anime that was not featured in the Dragon Ball manga has been left out in Kai, as well as the final story arc of both the manga and original Dragon Ball Z series thus significantly reducing the total episode count. Some frames were selectively cropped, while other frames feature new portions added to scenes that were hand drawn to conform to the designated picture ratio. As most of the series' sketches and animation cels had been discarded since the final episode of Dragon Ball Z in 1996, new frames were produced by digitally tracing over still frames from existing footage and filling them with softer colors thus reducing visible damage to the original animation. It features remastered high definition picture, sound, and special effects as well as a re-recorded voice track by most of the original cast. It began broadcasting in Japan on Fuji Television on Apand ended on March 27, 2011. Japanese promotional poster of Dragon Ball Kaiĭragon Ball Z Kai (known in Japan as Dragon Ball Kai) is a revised version of the anime series Dragon Ball Z produced in commemoration of the original's twentieth anniversary.