Quick Answer
Monster Mountain is streaming on HBO Max Amazon Channel, Philo, YouTube TV, Travel Channel, HBO Max, Discovery +. 104 episodes (~42h total watch time). Availability may vary by region.
Where to Watch Monster Mountain
Good news — Monster Mountain has official streams on HBO Max Amazon Channel and Philo plus 4 more. We've got links for all of them, along with fallback search options.
Confirmed Streaming Platforms
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Subscription availability by JustWatch
More Ways to Watch Monster Mountain (US)
Prices and full options on JustWatch
Availability data by JustWatch
Check Other Platforms
Anime licensing changes by region. If Monster Mountainisn't on your usual service, try these.
Frequently Asked Questions
Where can I watch Monster Mountain legally?
Right now, Monster Mountain is on HBO Max Amazon Channel, Philo, YouTube TV, Travel Channel, HBO Max, Discovery +. 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 Monster Mountain 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 Monster Mountain 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 Monster Mountain.
Can I watch Monster Mountain 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.