Quick Answer
Batman: Gotham Knight is streaming on HBO Max Amazon Channel, HBO Max. 6 episodes (~2h total watch time). Availability may vary by region.
Where to Watch Batman: Gotham Knight
Good news — Batman: Gotham Knight has official streams on HBO Max Amazon Channel and HBO Max. We've got links for all of them, along with fallback search options.
Confirmed Streaming Platforms
Subscription availability by JustWatch
More Ways to Watch Batman: Gotham Knight (US)
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Anime licensing changes by region. If Batman: Gotham Knightisn't on your usual service, try these.
About Batman: Gotham Knight
Anime-inspired direct-to-DVD anthology film. Comprised of six short stories, from diverse creators, including Academy Award-nominated Josh Olsen (A History of Violence), Batman Begins writer David S. Goyer, and comics scribe Brian Azzarello. It's planned for a release window of two to four weeks prior to the release of The Dark Knight, and would bridge the gap between Batman Begins and The Dark Knight. (Source: IMDB)
Full details on MyAnimePulseFrequently Asked Questions
Where can I watch Batman: Gotham Knight legally?
Right now, Batman: Gotham Knight is on HBO Max Amazon Channel, HBO Max. That said, anime licensing varies a lot by country — what's on Netflix in Japan might not be on Netflix in the US. If your go-to platform doesn't have it, try the other services listed above.
Is Batman: Gotham Knight on Netflix or Crunchyroll?
Can't confirm either right now. Both platforms rotate their catalogs pretty often, so it's worth searching directly on each one.
Is Batman: Gotham Knight available with an English dub?
Dub availability depends on the platform. Crunchyroll has been expanding their dubbed library a lot recently, and Funimation (now merged into Crunchyroll) historically had the biggest dub catalog. Check each platform's listing for Batman: Gotham Knight.
Can I watch Batman: Gotham Knight for free?
Crunchyroll offers a free ad-supported tier for some shows. Most other platforms require a subscription, but many offer free trials for new users. Tubi and Pluto TV occasionally have anime in their free rotation too.