Dragon Ball Z Kai English Dubbed (known in Japan as Dragon Ball Kai is a revised version of the anime series Dragon Ball Z. It was produced in commemoration of the original series’ 20th and 25th anniversaries. Produced by Toei Animation, the series was originally broadcast in Japan on Fuji TV from April 5, 2009 to March 27, 2011. A follow-up series, adapting the remaining story arcs, aired in Japan from April 6, 2014 to June 28, 2015.
Kai features remastered high definition picture, sound, and special effects as well as a re-recorded voice track by most of the original cast. 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. This reduced visible damage to the original animation. 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. Much of the original material from Dragon Ball Z that was not featured in the Dragon Ball manga has been left out in Kai, which reduced the total episode count from 291 to 167.
The second part of the series, titled Dragon Ball Z Kai Kai English Dubbed : The Final Chapters by Toei Europe and Funimation, lasted 61 episodes in Japan, which was fewer than the previously planned 69. This brought the total number of episodes to 159 in Japan.