Watch BEASTARS Season 3 Episode 21 Online
“The Demon King of Beasts” — Watch "BEASTARS" Season 3 Episode 21 online in HD for free. Check streaming providers, cast, and episode details.
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Season 3 Episode 21 — Aired on Mar 7, 2026 • runs about 24 minutes.
Notable cast/guest names in this episode include Chikahiro Kobayashi, Sayaka Senbongi, Yuki Ono.
This page includes 6 official still(s) (when available) plus legal availability links.
Looking for “watch BEASTARS Season 3 Episode 21 online”? This is a legal-only guide with synopsis, stills, and navigation for this season.
Synopsis
After a charged encounter, Haru bonds with Gosha. Louis reveals his true feelings to his fiancée. Melon asserts his dominance over the Shishi-Gumi.
Stills
Cast
Episodes – Season 3
Trailer / clip
There�s no trailer available for this series right now.
