Quick Answer
King Kong - 001/7 Tom Thumb is streaming on Netflix. 26 episodes (~10h total watch time). Availability may vary by region.
Where to Watch King Kong - 001/7 Tom Thumb
King Kong - 001/7 Tom Thumb is currently on Netflix. Keep in mind that catalogs change by region — if you don't see it on your usual service, check the other platforms listed here.
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About King Kong - 001/7 Tom Thumb
Professor Bond is doing research on an island in the Java Sea when his son discovers the giant ape and befriends him, and together they fight to protect Kong from Dr. Who, who has sinister designs on the ape. Each episode consisted of a King Kong story, a Tom of T.H.U.M.B., then another King Kong story. Tom of T.H.U.M.B. is a gag cartoon about a secret agent and his oriental sidekick. Animage Pocket Data Notes credits MORI Yasuji and KANISHI Takao as either character designers or animation...
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Where can I watch King Kong - 001/7 Tom Thumb legally?
Right now, King Kong - 001/7 Tom Thumb is on Netflix. 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 King Kong - 001/7 Tom Thumb on Netflix or Crunchyroll?
It's on Netflix in at least some regions. Crunchyroll is worth checking too since they carry a huge anime library.
Is King Kong - 001/7 Tom Thumb 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 King Kong - 001/7 Tom Thumb.
Can I watch King Kong - 001/7 Tom Thumb 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.