The Fire Force anime is pushing hard to introduce the hardest war arc of the entire Winter 2026 anime season. With the pi solution in hand, Giovanni has unlocked another Great Cataclysm as his last act in life, and the consequences are world-shaking. Right now, the endgame threatens to engulf the entire Earth in mingled flames and despair, and a deadly group of doppelgangers is on the run.
Fortunately, the heroes of Company 8 aren't about to capitulate to white clothing or the specter of despair just yet, but they still have their work cut out for them. Company 8 has made some gains over the past few years Fire Force episodes after Arthur sends Giovanni and Tamaki Kotatsu to defeat Assault's doppelganger, though the heroes aren't in the forest yet—not even by a mile. Even tougher fights loom on the horizon and Fire Force the spectator can name one Knight King who is most likely to lead the charge against Adolla's forces.
Fire Force Episode 21 Preview: More Doppelganger Threats are on the horizon
The final season of Fire Force intensifies with doppelgänger threats appearing in episode 21.
Arthur Boyle is still on the rise
Final war arcs in action shonen anime Fire Force they tend to reveal which heroes have the right stuff to save the world and which are just destined to be background characters that make everyone else look better in comparison. My Hero AcademiaThe final war arc made a real hero out of the likes of Bakugo, Shoto, and even a skinny All Might to support Deku. Bleach: Thousand Year Blood War he helped make supporting characters like Nanao and Uryu into heavy hitters. Now that Fire Force takes its turn with a similar war arc at the end of the game, fans can see who had the most potential all along – most Arthur Boyle.
This blond himbo knight is a true force, he has come a long way since he was Shinra's rival with a new weapon in hand. From then on, Arthur was never a joke of a fighter Fire Force characters can recall many of his moments of glory, but now he is reaching new heights.
Finally, as recent episodes have shown, Arthur is fully walking the walk and not just training as King Arthur of the Round Table. The empowering illusions gave way to something more real, the kind of power that allowed Arthur to destroy Giovanni with a single blow while sparing Yui's life. Vulcan's team is simply in awe of the Arthur they see, though they still find him a bit ridiculous.
It's more than just Arthur's impressive scenes and serious dialogue Fire Force the audience expects so much from him because the title of the next episode strongly refers to the Arthur vs Dragon fight. Episode 21 is titled “Dragon and Knight Surge Toward the Heavens”. Everyone knows who the knight is, and there really is a white-clad cultist named Dragon, the perfect thematic enemy for Arthur to fight next as the ultimate test of his newfound power. Dragon also stands as one of the few truly deadly cultists still fighting, with most of the White-Clad having already fallen or switched sides. If anyone should take down Dragon, it's Arthur and Fire Force viewers probably won't have to wait long for that.
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Four other elite doppelgangers are still on the hunt as the world burns
Tamaki Kotatsu did well to defeat Assault's double in episode 20, with this showdown taking up most of the episode's screen time. Notably, this means the overall story has moved forward only slightly, with this being just one of the five promised hero vs doppelganger battles at this stage Fire Forcefinal arc. Episode 20 showed very little of what the other four elite doppelgangers were up to, meaning the anticipation is now largely the same as it was at the end of episode 19. For the second time, fans are eager to watch these powerful Adolla villains wreak havoc, with only Assault's own evil hero taken out of the picture thanks to Tamakis.
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Doppelgangers Kurono, Benimaru, Joker, and Leonard Burns are still out there and promise to put on some incredible fights, even if that alone won't save the day. The White-Clad Cult is just buying time with this set of infernal minions, and the heroes will have to develop something truly incredible to put the world back to its original state and deal with it. Soul Eater the moon and all it represents. Company 8 is busy with four more terrifying doppelgangers for now, but here it is something the heroes are missing and must find it quickly if this world is to be saved. That's the real tension because just winning on the battlefields doesn't change the world even in shonen anime.
Fire Force Season 3 Episode 21 Release Date
The fun continues later this week
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Fire Force Season 3 Episode 21 will arrive on March 6
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The next episode of Fire Force is likely to make Arthur Boyle a star
Other Fire Force the episode promises to be released exactly one week after episode 20, meaning that Western fans can watch the simulcast on Friday, March 6, while the episode airs in Japan on March 7 due to time zone differences. Western streamers can expect Fire ForceA new episode will be available at 1:30pm EST.
Where to watch Fire Force Season 3 Episode 21?
All three major platforms offer simultaneous transmission of firepower
While new Fire Force episode airs on Japanese TV, fans in the West can turn to the three major streaming platforms to catch the new episode when it drops. The most prominent of these is Crunchyroll, a site for simulcasting most of the season's best anime. Crunchyroll itself hosts almost everything worth watching in the Winter 2026 anime season, Fire Force included in the price. In addition, Hulu subscribers can tune in for new Fire Force episode on March 6, and the same goes for Disney+ subscribers. All three platforms offer English and Japanese subs and dubbing in addition to some other languages.
Fire Force
- Release date
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July 5, 2019
- Network
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TBS, MBS, CBC, Tulip Television, BSN, tys, NBC, HBC, RKK, i-Television, SBS, IBC, BSS, MRO, OBS, TUF, RSK, TUY, tbc, RKB, SBC, KUTV, RBC, UTY, RCC, MRT, atv, MBC
- directors
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Sho Sugawara, Ryota Aikei, Tetsuharu Nakamura, Yuya Horiuchi, Kazuomi Koga, Daisuke Chiba, Kyohei Suzuki, Yuushi Ibe, Shuuji Miyazaki
- Writers
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Yoriko Tomita
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Gakuto Kajiwara
Shinra Kusakabe (voice)
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Yusuke Kobayashi
Arthur Boyle (voice)
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Saeko Kamijo
Maki Oze (voice)
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Mao Ichimichi
Iris (voice)
