Series synopsis
Isekai Quartet, also known as 異世界かるてっと is a Japanese comedy animation television series that premiered on ABEMA on April 10, 2019. It stars Aoi Yuuki, Jun Fukushima, Rie Takahashi and Saori Hayami.
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...!?
Premise
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 and characters
Leading cast
- Aoi Yuuki as Tanya Degurechaff (voice)
- Jun Fukushima as Kazuma Satou (voice)
- Rie Takahashi as Emilia / Megumin (voice)
- Saori Hayami as Viktoriya Ivanovna 'Visha' Serebryakov (voice)
- Satoshi Hino as Momonga / Ains Oooal Gown (voice)
- Yusuke Kobayashi as Subaru Natsuki (voice)
- Sora Amamiya as Aqua (voice)
- Yumi Hara as Albedo (voice)
Supporting cast
- Kaito Ishikawa as Naofumi Iwatani
- Emiri Kato as Aura Bella Fiora (voice)
- Satomi Arai as Beatrice (voice)
- Ai Kayano as Darkness (voice)
- Akeno Watanabe as Hamsuke (voice)
- Aki Toyosaki as Yunyun (voice)
- Ayaka Suwa as Chris (voice)
- Chinatsu Akasaki as Felt (voice)
- Daichi Hayashi as Shiner Neumann (voice)
- Daiki Hamano as Matheus Johann Weiss (voice)
- Hiromi Igarashi as Yuri Alpha (voice)
- Hochu Otsuka as Hans von Zettour (voice)
Episodes
This series spans 3 seasons with 35 episodes.
| Season | Episodes | First aired | Last aired |
|---|---|---|---|
| Season 1 | 12 | April 10, 2019 | June 26, 2019 |
| Season 2 | 12 | January 15, 2020 | April 1, 2020 |
| Season 3 | 11 | October 13, 2025 | December 22, 2025 |
| Episode | Title | Air date |
|---|---|---|
| 1 |
Come Together! Quartet 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... |
April 10, 2019 |
| 2 |
Tension! Introductions Now that everybody's settled in, it's time for the first day of school, which means everybody has to introduce themselves. |
April 17, 2019 |
| 3 |
Deadlock! Classmates The students begin to wonder about why they are here, and what this school really is. Tanya, in particular, has a theory about Ains... |
April 24, 2019 |
| Episode | Title | Air date |
|---|---|---|
| 1 |
Join the Fight! Transfer Student The students have now finally settled into their new lives, but a new student has come to the school, and his name is… "Shield"? |
January 15, 2020 |
| 2 |
Sneak In! The Principal's Office 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. |
January 22, 2020 |
| 3 |
Uh-Oh! Detention! 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! |
January 29, 2020 |
| Episode | Title | Air date |
|---|---|---|
| 1 |
Come Together! School Life An eminent new student comes to the school. |
October 13, 2025 |
| 2 |
Lurking! Eminence An eminent shadow lurks in the school. |
October 20, 2025 |
| 3 |
Working Together! Morning Glories The class works together to grow morning glories. |
October 27, 2025 |
Production
Release
| Original network/platform | ABEMA |
|---|---|
| First aired | April 10, 2019 |
| Last aired | December 22, 2025 |
| Runtime | 12 minutes |
| Status | continue |
| Schedule | Monday at 00:00:00 |