Isekai Quartet
異世界かるてっと
We checked 8 streaming services in India on 05 Jun 2026 at 02:15 IST
About
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
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)
Sora Amamiya
as Aqua (voice)
Yumi Hara
as Albedo (voice)
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)
Inori Minase
as Rem (voice)
Jun Kasama
as Wilibald Koenig (voice)
Seasons
Season 1
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!
Season 2
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.
Season 3
Episodes
Season 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...
Tension! Introductions
Now that everybody's settled in, it's time for the first day of school, which means everybody has to introduce themselves.
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...
Encounter! Classmates
The students realize that they're all from other worlds, and begin to share their backgrounds. But some are luckier than others...
Explosion! Talent Show
It's time for the talent show, but none of the students are talented at all. The KonoSuba crowd in particular...
Decision! Class Rep
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.
Carry Out! Class Rep
Emilia's the class rep now, but it's really hard. But she wants to do her best!
Prepare! Field Trip
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?
Where does Isekai Quartet rank today?
Isekai Quartet is #628 on the CineFlixo Daily Streaming Charts today.
- Highest: #628
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Watch Isekai Quartet Online Free — All Episodes in HD
If you've been searching for Isekai Quartet all episodes in HD, CineFlixo has you covered. This popular Japonés comedy and animation title from 2019 is available to stream instantly — no ads to fight through, no paid subscriptions, no annoying redirects.
About 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...!? Across 3 seasons and 35 episodes, originally airing on ABEMA, with status "Returning Series".
Isekai Quartet Cast and Characters
The cast features 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)), and Satoshi Hino (as Momonga / Ains Oooal Gown (voice)). Their performances are a major reason Isekai Quartet has built such a passionate audience.
Where to Watch Isekai Quartet Online
Want to watch Isekai Quartet online without paying? CineFlixo is the easiest way. Click play and the series starts in seconds. No popups, no "5 day trial that auto-charges" — just the show.
▶ Watch Isekai Quartet NowWhy People Are Watching Isekai Quartet
Isekai Quartet flies under the radar but it deserves your attention. What makes it work is sharp comedic timing that lands consistently. If you enjoy Japonés storytelling that doesn't follow the same tired beats, this is the kind of show you'll end up recommending to friends.
Frequently Asked Questions about Isekai Quartet
Where can I watch Isekai Quartet online for free?
You can watch Isekai Quartet online free on CineFlixo. Just open the page and hit play — no signup, no subscription, full HD streaming on phone, tablet, or desktop.
How many episodes does Isekai Quartet have?
Isekai Quartet has 35 episodes across 3 seasons. All episodes are available to stream right here on CineFlixo.
Is Isekai Quartet good? What's the rating?
Isekai Quartet holds a 6.8/10 rating based on 63 reviews — a solid pick if the genre interests you.
Who is in the cast of Isekai Quartet?
The main cast includes Aoi Yuuki, Jun Fukushima, Rie Takahashi, and Saori Hayami, plus a strong supporting ensemble.
Is Isekai Quartet available in Japonés?
Yes — Isekai Quartet was originally produced in Japonés and that's the version you'll stream here on CineFlixo. English subtitles are provided when available.
When was Isekai Quartet released?
Isekai Quartet first aired in 2019.
Do I need an account to watch Isekai Quartet on CineFlixo?
No. CineFlixo is free and you can watch Isekai Quartet without creating an account. Sign-up is optional — only useful if you want a personal Watchlist or to comment on episodes.
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Frequently Asked Questions
Where can I watch Isekai Quartet for free?
You can watch Isekai Quartet online for free on CineFlixo. All 35 episodes across 3 seasons are available to stream in HD without a subscription, signup, or paywall. Just open the show page and press play.
How many seasons and episodes does Isekai Quartet have?
Isekai Quartet currently has 3 seasons and a total of 35 episodes. The series status is "Returning Series", so the episode count may grow as new seasons are released. You can browse the full episode list on CineFlixo and continue watching from where you left off.
What is Isekai Quartet about?
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...!? It belongs to the Comedy, Animation genres.
In which language is Isekai Quartet originally available?
Isekai Quartet was originally produced in JA. On CineFlixo the show is available in its original JA audio. Check the player options on the watch page for available subtitle tracks.
When was Isekai Quartet first released?
Isekai Quartet first premiered on April 10, 2019 (2019). The show is still ongoing with new episodes being released.
All Seasons
Browse every season of Isekai Quartet — 3 seasons in total
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