Quick Answer
No confirmed platforms for Swarm right now. Search Crunchyroll, Netflix, and Amazon Prime below to check your region. The show is 12 episodes (~5h watch time).
Where to Watch Swarm
No confirmed streams for Swarm at the moment, but anime licensing changes fast. Check the platforms below — Crunchyroll and Netflix are usually your best bets.
Search Streaming Platforms
Anime licensing changes by region. If Swarmisn't on your usual service, try these.
About Swarm
A seemingly ordinary bus accident has caused many forces to be involved. Just as everyone scrambled to investigate the truth, a series of surprises broke out. The crisis hidden behind the unsolved case is far beyond everyone's imagination... While human beings are exploring their own limits, they do not realize that they are once again standing at the crossroads of evolution, and a magnificent era has begun. (Source: bilibili)
Full details on MyAnimePulseFrequently Asked Questions
Where can I watch Swarm legally?
We don't have confirmed platform data for Swarm at the moment, but Crunchyroll, Netflix, and Amazon Prime are the most common homes for anime. Use the search links above to check what's available in your area.
Is Swarm 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 Swarm 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 Swarm.
Can I watch Swarm 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.