"Demon Slayer" Season 3 Episode 1 has leaked, along with some photos of the series, on Twitter after it premiered in select Japanese theaters on Saturday and Sunday, February 4 and 5. The scenes and images have excited fans, along with its superb animation.

The leaks give fans a glimpse of the upcoming Swordsmith Village arc and the official introduction of Upper Moon One: Kokushibo in "Demon Slayer" Season 3 Episode 1. As the premiere episode will feature the climactic battle of the Entertainment arc, it will officially begin the Swordsmith Village arc, which will be the new season's focus.

Warning: The following content contains major spoilers. Read at your own risk.

The leaks are posted by the reputable Twitter leaker Shonenleaks, featuring the feature-length theatrical release of the Entertainment District arc's Episodes 10 and 11 and the extended cut of the Swordsmith Village arc's premiere episode.

It introduces the remaining members of Kibutsuji Muzan's Twelve Kizuri after the death of the Upper Moon Six: Daki and Gyutaro. Upper Rank Two: Doma provokes Upper Moon Three: Akaza, resulting in the latter punching him.

The "Demon Slayer" Season 3 Episode 1 leaks also introduce the Swordsmith Village arc's main antagonists, Upper Rank Four: Hantengub and Upper Rank Five: Gyokko. It also shows the demons Nakime and Kokushibo.

As the new season's animation quality earns praise from fans, it shows the scenes' incredible movements featuring the Infinity Castle. It features Muzan in a different look as he experiments with the demons' blood.

The leaked scenes also show Gyokko and Akaza talking, the hiding scared Hantengu, and Nakime playing her Bewa and summoning the demons in Infinity Castle. In other settings, Doma seems not to mind Akaza's behavior, confident that he can take all his punches.

Kokushibo makes his first appearance in "Demon Slayer" Season 3 Episode 1, resting in Infinity Castle and saying something with his thick voice, shocking Akaza. Muzan is trying to find a cure to overcome his weakness of being burned under the sun.

Doma's head is chopped off, possibly by Kokushibu, but he generates rather too quickly. Kokushibo then cuts Akaza's hand, and the two look angry while Doma speaks softly with a smile.

The leaked scenes also show Mitsuri fighting, featuring her Love Breathing technique. New images also see Mitsuri's bath scene and sequences with Muichiro, Nezuko, Tanjiro, Hotaru, and Tanjiro's meeting with the greatest Hashira, Yorrichi.

"Demon Slayer" Season 3 Episode 1 will premiere at the Los Angeles Orpheum Theater in California on February 18. It will officially hit the small screens in April.