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Astro Boy Episode 21 is available from the following partner sites. Each link opens in a new tab via our outbound redirect.
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Frequently asked questions
Where can I watch Astro Boy Episode 21 online?
Astro Boy Episode 21 streams on KissAnime. Use the partner buttons above to open the episode directly.
Is Astro Boy Episode 21 dubbed in English?
Yes — an English-dubbed version of Astro Boy Episode 21 is available via the dub sources listed above.
What episode comes before or after Astro Boy Episode 21?
Use the previous and next links on this page to jump to Episode 20 or Episode 22.