Isekai Quartet
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...!?
Cast
Aoi Yuuki
Tanya Degurechaff (voice)
Jun Fukushima
Kazuma Satou (voice)
Rie Takahashi
Emilia / Megumin (voice)
Saori Hayami
Viktoriya Ivanovna 'Visha' Serebryakov (voice)
Satoshi Hino
Momonga / Ains Oooal Gown (voice)
Sora Amamiya
Aqua (voice)
Yumi Hara
Albedo (voice)
Emiri Kato
Aura Bella Fiora (voice)
Satomi Arai
Beatrice (voice)
Ai Kayano
Darkness (voice)
Akeno Watanabe
Hamsuke (voice)
Aki Toyosaki
Yunyun (voice)
Ayaka Suwa
Chris (voice)
Chinatsu Akasaki
Felt (voice)
Daichi Hayashi
Shiner Neumann (voice)
Seasons
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!
E1Come Together! Quartet
Apr 10, 2019
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...
E2Tension! Introductions
Apr 17, 2019
Now that everybody's settled in, it's time for the first day of school, which means everybody has to introduce themselves.
E3Deadlock! Classmates
Apr 24, 2019
The students begin to wonder about why they are here, and what this school really is. Tanya, in particular, has a theory about Ains...
E4Encounter! Classmates
May 1, 2019
The students realize that they're all from other worlds, and begin to share their backgrounds. But some are luckier than others...
E5Explosion! Talent Show
May 8, 2019
It's time for the talent show, but none of the students are talented at all. The KonoSuba crowd in particular...
E6Decision! Class Rep
May 15, 2019
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.
E7Carry Out! Class Rep
May 22, 2019
Emilia's the class rep now, but it's really hard. But she wants to do her best!
E8Prepare! Field Trip
May 28, 2019
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?
E9Enjoy! Field Trip
Jun 4, 2019
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...
E10Join In! Rivals
Jun 12, 2019
It's time for Field Day, and Roswaal hints that whoever wins will get to go home. But then they meet their opponents...
E11Work Together! Field Day
Jun 19, 2019
Field Day is here, and it's lots of fun for everyone. There's tug of war, scavenger hunts... and giant robots?!
E12Band Together! Quartet
Jun 26, 2019
The mobile fortress "Destroyer" has joined the last game! It's up to the quartet to grab its headband and win the game.
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.
E1Join the Fight! Transfer Student
Jan 15, 2020
The students have now finally settled into their new lives, but a new student has come to the school, and his name is… "Shield"?
E2Sneak In! The Principal's Office
Jan 22, 2020
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.
E3Uh-Oh! Detention!
Jan 29, 2020
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!
E4Pinch! Test of Learning
Feb 5, 2020
It's time for a test! Everybody expects Ains to score highly, but… he never even passed middle school!
E5Work Hard! Valentine's Day
Feb 12, 2020
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…
E6Clash! Dodgeball
Feb 19, 2020
It's time for a battle to settle the most important question of all: what do you put on your chicken wings?
E7Excitement! Physicals Day
Feb 26, 2020
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?
E8Challenge! Part-Time Job
Mar 4, 2020
Visha's been working overtime lately. But what does she need the money for?
E9Investigate! First Errand
Mar 11, 2020
It's time for a play! But what kind of play should they put on? Filo will find out!
E10Rise Up! School Festival
Mar 18, 2020
It's time for a school festival! But something is lurking outside the school…
E11It Begins! School Festival
Mar 25, 2020
The curtain rises on the school festival! There's a special guest, too…
E12The Show Begins! Showtime
Apr 1, 2020
The mobile fortress "Destroyer" has joined the last game! It's up to the quartet to grab its headband and win the game.
E1Come Together! School Life
Oct 13, 2025
An eminent new student comes to the school.
E2Lurking! Eminence
Oct 20, 2025
An eminent shadow lurks in the school.
E3Working Together! Morning Glories
Oct 27, 2025
The class works together to grow morning glories.
E4Chaos! Cooking Class!
Nov 3, 2025
The class gets together to cook pasta.
E5Attack! Of the Spear Hero
Nov 10, 2025
Motoyasu comes to the school, but he sees every girl he meets as a pig.
E6Search! Shadow and Devil
Nov 17, 2025
Tanya searches for the identity of the mysterious "Shadow."
E7Slip-Sliding! Ski Trip!
Nov 24, 2025
The whole class goes on an exciting ski vacation.
E8Popular! Online Game
Dec 1, 2025
Everyone starts skipping when a new hit game comes out.
E9Get Closer! Music Festival
Dec 8, 2025
The classes are suddenly told about an upcoming music festival.
E10Terror! Music Festival
Dec 15, 2025
The day of the music festival arrives, but, naturally, it won't take place without some setbacks.
E11Melody! Music Festival
Dec 22, 2025
The school will have to face a giant zombie bell before receiving the festival prize.
Videos
Storyline
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...!?
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