7 Most Unforgettable Demon Slayer Episodes

[Also Read: 5 Strongest Demons in Demon Slayer, Ranked]

7. “Cruelty” – The Start of All Demon Slayer Episodes (S1, Ep1)

The Demon Slayer episodes waste no time throwing viewers into its dark world of demons. This debut episode sets the stage with a gut-wrenching tragedy that turned Tanjiro Kamado’s life upside down. This episode’s powerful emotion comes from watching Tanjiro desperately trying to protect his demon-turned-sister from the Demon Slayer Giyu Tomioka.

Their confrontation perfectly establishes humanity versus demonhood and the strength of familial bonds.

6. “Hinokami” (S1, Ep19)

In this explosive Demon Slayer episode, Tanjiro unleashes the power of Hinokami Kagura for the first time against the Lower Moon Five, Rui. The animation of Tanjiro’s flame-infused techniques against Rui’s deadly spider threads created one of the most visually spectacular fights in the anime. This episode ties Tnajiro’s new power to his family’s heritage, revealing a layer of the Kamado family’s connection to the art of Sun Breathing. 

Tanjiro’s memories of his father performing the Hinokami Kagura dance, combined with the intensity of the battle, make this episode a standout in the series.

5. “Transformation” (S2, Ep14)

One of the game-changing Demon Slayer episodes shows shocking moments when Nezuko undergoes her transformation. During the battle against Upper Moon Six Daki in the Entertainment District Arc, Nezuku reveals a new, more powerful demon form that nobody saw coming.

The real twist comes when Daki’s brother Gyutaro emerges from her body, revealing the true nature of the Upper Moon Six – a deadly sibling duo.

4. “Set Your Heart Ablaze” (S2, Ep7)

The Demon Slayer episodes reach a heartbreaking peak in this unforgettable episode from the Mugen Train Arc. It portrays the legendary battle between Flame Hashira Kyojuro Rengoku and Upper Moon Three, Akaza. Rengoku shows his unwavering determination even in his final moments.

Despite sustaining fatal injuries, he continues fighting to protect everyone until sunrise forces Akaza to retreat. During Rengoku’s final words to Tanjiro and his friends, he left them with the inspiring message “Set your heart ablaze.” It displays stunning animation of Rengoku’s final Flame Breathing techniques and Akaza’s Demon Art.

3. “Never Give Up” (S2, Ep17)

This is one of the most intense Demon Slayer episodes which shows some of the most brutal battles in the series. Tanjiro and his companions face off against the deadly sibling duo of Daki and Gyutaro. The parallel between the two pairs of siblings—Tanjiro and Nezuko versus Daki and Gyutaro—adds an emotional teardrop moment to the already explosive fight.

The episode perfectly captures the essence of perseverance that defines the series, with each character pushing beyond their limits. The spectacular animation of the burning entertainment district and the coordinated attacks from our heroes make this a visual feast.

[Also Read: My Hero Academia Season 7 Best Episodes]

2. “The Mu in Muichiro” (S3, Ep9)

This hidden memories episode of Demon Slayer reveals the tragic backstory of the Mist Hashira, Muichiro Tokito, during his intense battle with Upper Moon Five, Gyokko. The episode transforms our understanding of Muichiro’s cold personality through the revelation of his forgotten past.

The heartbreaking flashback shows his relationship with his twin brother Yuichiro, whose final sacrifice to save Muichiro adds depth to the character. The visual animation of Muichiro’s awakened Mist Breathing techniques makes this episode one of the most unforgettable Demon Slayer episodes.

1. “A Connected Bond: Daybreak and First Light” (S3, Ep11)

The series delivers one of its most unforgettable Demon Slayer episodes in the third season. The 11th  episode depicts a massive revelation that changes everything for the next season—Nezuko is immune to sunlight. The stakes couldn’t be higher as Tanjiro faces the horrifying possibility of losing his sister when she steps into the sunlight to save others.

The emotional payoff when she survives, proving she’s unlike any other demon before her, is truly magnificent. However, this triumph comes with a dark twist as Muzan learns of Nezuko’s unique ability which he has been searching for thousands of years.

As such, these unforgettable Demon Slayer episodes showcase why the series has become a modern anime masterpiece. All these are filled with unbreakable family bonds, spectacular battles, and moments that are really memorable for fans everywhere.