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S3 E11 · Melody! Music Festival
Isekai Quartet is a comedy anime series that premiered on ABEMA on April 10, 2019. It has 3 seasons and 35 episodes so far and is still airing new episodes. The latest episode, Season 3 Episode 11 "Melody! Music Festival", aired on December 22, 2025.
A mysterious switch appeared one day. Upon pressing it, they were sent to a different alternative world!! There are also characters from other alternative worlds gathered together...!?
Last updated
35 episodes · 3 seasons
2019 · 12 episodes · Last episode: 7 years ago
It is a normal day; everyone from deranged military girl Tanya Degurechaff and 16-year-old isekai protagonist Satou Kazuma to expansionist overlord Ainz Ooal Gown and demon sisters Rem and Ram go on with their daily lives. Suddenly, a conspicuous red button begging to be pressed appears before them. Overcome by curiosity, the otherworldly characters push the button, sending them to an unfamiliar world. With no way of escaping, the characters must lead a normal school life and make acquaintances with the others. One thing is certain: the classroom full of fan-favorite eccentric personalities never gets boring!
Isekai Quartet Season 1 release dates →
E12
The mobile fortress "Destroyer" has joined the last game! It's up to the quartet to grab its headband and win the game.
E11
Field Day is here, and it's lots of fun for everyone. There's tug of war, scavenger hunts... and giant robots?!
E10
It's time for Field Day, and Roswaal hints that whoever wins will get to go home. But then they meet their opponents...
E9
The field trip is here, and it's great! Everybody's at the beach and having a great time. But Tanya hears something that makes her upset...
E8
It's time for a field trip to the beach, and the gang's getting ready. But who wants to see Kazuma in a swimsuit?
E7
Emilia's the class rep now, but it's really hard. But she wants to do her best!
E6
It's time to pick the class rep! But Aqua doesn't want Ains to do it, and Albedo doesn't want Aqua anywhere near the job.
E5
It's time for the talent show, but none of the students are talented at all. The KonoSuba crowd in particular...
E4
The students realize that they're all from other worlds, and begin to share their backgrounds. But some are luckier than others...
E3
The students begin to wonder about why they are here, and what this school really is. Tanya, in particular, has a theory about Ains...
E2
Now that everybody's settled in, it's time for the first day of school, which means everybody has to introduce themselves.
E1
Mysterious buttons appear in the worlds of Tanya the Evil, KonoSuba, Overlord, and Re:Zero. When the characters push them, they're taken to a place they'd never imagined...
2020 · 12 episodes · Last episode: 6 years ago
Despite completing all the tasks given to them, Ainz Ooal Gown, Tanya Degurechaff, Kazuma Satou, Subaru Natsuki, and the other members of Class 2 are surprised to find out that their role as students is far from over. With no means of returning home, the class of eccentric personalities is still mysteriously stuck in the unfamiliar world. Although, as they are becoming quite fond of each other, spending more time together does not sound that bad. With the unexpected arrival of new transfer students, the comedic antics of our beloved characters continue to grow. Thus, their bizarre yet nonchalant school life continues.
Isekai Quartet Season 2 release dates →
E12
The mobile fortress "Destroyer" has joined the last game! It's up to the quartet to grab its headband and win the game.
E11
The curtain rises on the school festival! There's a special guest, too…
E10
It's time for a school festival! But something is lurking outside the school…
E9
It's time for a play! But what kind of play should they put on? Filo will find out!
E8
Visha's been working overtime lately. But what does she need the money for?
E7
It's time for physicals, and everybody's ready to get naked and get on the scale! Who will be brave enough to go peek at the opposite sex?
E6
It's time for a battle to settle the most important question of all: what do you put on your chicken wings?
E5
It's Valentine's Day, which means it's time to give chocolate to the boy you like! But an unexpected face makes an appearance…
E4
It's time for a test! Everybody expects Ains to score highly, but… he never even passed middle school!
E3
This new world is a great place: no fighting, no danger, and the classes are easy. But you REALLY don't want to get detention!
E2
Life's great in this world, except for one thing: there's no alcohol! When the students sneak into the principal's office to get their fix from his stash, they run into more than they bargained for.
E1
The students have now finally settled into their new lives, but a new student has come to the school, and his name is… "Shield"?
2025 · 11 episodes · Last episode: 10 months ago
E11
The school will have to face a giant zombie bell before receiving the festival prize.
E10
The day of the music festival arrives, but, naturally, it won't take place without some setbacks.
E9
The classes are suddenly told about an upcoming music festival.
E8
Everyone starts skipping when a new hit game comes out.
E7
The whole class goes on an exciting ski vacation.
E6
Tanya searches for the identity of the mysterious "Shadow."
E5
Motoyasu comes to the school, but he sees every girl he meets as a pig.
E4
The class gets together to cook pasta.
E3
The class works together to grow morning glories.
E2
An eminent shadow lurks in the school.
E1
An eminent new student comes to the school.
A date for the next episode of Isekai Quartet hasn't been announced yet. Follow Isekai Quartet in the Streambay app and you'll be notified as soon as a new episode airs.
The most recent episode of Isekai Quartet, Season 3 Episode 11 "Melody! Music Festival", aired on December 22, 2025.
Isekai Quartet has 3 seasons with 35 episodes in total.
Isekai Quartet first aired on ABEMA on April 10, 2019.
Download the Streambay app, follow Isekai Quartet, and you'll get a push notification the moment each new episode is released.
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