Dubbed

A dub replaces the original voice track with a new cast in another language. The hard part is timing. The animation is finished, the mouth flaps are fixed, and the translated line has to open and close in the same places. So adaptation writers pull sentences apart and rebuild them, trading literal accuracy for something an actor can physically say in that many frames.

English dubbing goes back further than most fans think. Astro Boy reached American television in 1963 with an English track, and Speed Racer followed a few years later, both heavily rewritten for a young audience. The reputation from that era lingered for decades. Later work changed it: much of the fandom treats the Cowboy Bebop dub as the definitive version, which is a rare thing to hear said about any dub.

Streaming made dubs faster and stranger. Simuldubs arrive within weeks of the Japanese broadcast, recorded from scripts that are still moving, and services now ship five or six language tracks on the same episode. The old argument about which version is better has not been settled and shows no sign of being settled soon.