Quick Answer
Black Jack: Grandma is streaming on Peacock Premium. 1 episodes. Availability may vary by region.
Where to Watch Black Jack: Grandma
Black Jack: Grandma is currently on Peacock Premium. Keep in mind that catalogs change by region — if you don't see it on your usual service, check the other platforms listed here.
Confirmed Streaming Platforms
Subscription availability by JustWatch
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Anime licensing changes by region. If Black Jack: Grandmaisn't on your usual service, try these.
About Black Jack: Grandma
These original short animated films are shown in the "300 Inch Theater" at the Tezuka Osamu World in the Kyoto Station Bldg, as well as a two-picture show including animated films from among Tezuka Osamu's major Manga, and one focuses on historic episodes of Kyoto. In this theatre, the Phoenix plays the role of storyteller, introducing two films. The Phoenix chooses a story entitled "Old Woman" ("Oba-chan") from numerous episodes of "Black Jack" to discuss the theme of how much love can grow...
Full details on MyAnimePulseFrequently Asked Questions
Where can I watch Black Jack: Grandma legally?
Right now, Black Jack: Grandma is on Peacock Premium. 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 Black Jack: Grandma 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 Black Jack: Grandma 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 Black Jack: Grandma.
Can I watch Black Jack: Grandma 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.