English-language version
For the English version, the producers, NBC Enterprises settled on "Astro Boy" after discussions between producer Fred Ladd and representatives from NBC. NBC Enterprises announced that it would begin syndicating 52 episodes on March 12, 1963,[10] and the first episode premiered on September 7, 1963, in the United States. Following the series' success, NBC Enterprises announced it would syndicate an additional 52 episodes on September 16, 1964.[11] The last of these episodes first aired on June 4, 1965, and repeats of the series continued until it was withdrawn by NBC in the early 1970s. A total of 104 episodes were adapted from the first 124 Japanese episodes and changed from their original order. In addition to this, characters' names were adjusted for American audiences. Frederik L. Schodt, who created the English version of the original comic, said that the names were "cleverly" changed for American tastes.[12]
In one Astro Boy manga story Tezuka expressed frustration towards the restrictions passed by American television networks on the adaptation of the newly titled Astro Boy television series.[13] The U.S. version did not air an episode showing a dog being operated on, as the producers believed it was too cruel and grotesque to show. Tezuka criticized this as hypocrisy, as non-Japanese eat and kill animals in manners he described as "grotesque". Tezuka added that many white people in Africa shot animals for sport, yet people in England spread false rumors about Japanese people eating dogs.[14]
From 2007 to 2009, Cartoon Network broadcast and webcast NBC's syndicated edition of the original 1960s episodes as a part of its late night Adult Swim line-up. Only the first 52 episodes were aired.
The Right Stuf International and Madman Entertainment have recently released the entire dubbed series on DVD in two box sets. The Right Stuf sets also include episodes 1, 20, 34, 56, and 193 in Japanese with English subtitles, a behind-the-scenes film, and an interview with Fred Ladd.
For Right Stuf Inc. Home Entertainment's region 1 Ultra Collector's Edition DVD releases of dubbed episodes of the original 1963 series, the original English masters were destroyed in 1975, due to Tezuka's Mushi Productions filing for bankruptcy. Fortunately, Right Stuf found the best surviving voice track elements and combining them with picture quality from the original Japanese negatives.
Reception
Astro Boy was initially very popular, being the first Japanese animated television series to make it to U.S. televisions, with the highest ratings of any show at the time. However, its popularity eventually declined to the point where only 104 of the 193 original episodes were released in the U.S., the reasons being mainly that it was still in black and white when most television sets were switching to color and many of the storylines were considered too violent and depressing for the mainstream audience.[15]
It was named the 86th best animated series by IGN, calling it the first popular anime television series.[16] In February 2004, Cinefantastique listed the anime as one of the "10 Essential Animations", citing the show's "dark themes and Tezuka's use of sci-fi as a conduit to address such issues as war and intolerance."[17]