Isekai Quartet 2019
What is Isekai Quartet?
Isekai Quartet is a Japanese anime series that combines characters from various light novel series published by Kadokawa Corporation. The series is a chibi-style crossover that brings together characters from KonoSuba, Overlord, Re:Zero, and The Saga of Tanya the Evil, among others.
- Type
- TV series
- Year
- 2019
- Status
- Returning Series
- Episodes
- 35
- Runtime
- 12 minutes
- First aired
- Apr 10, 2019
- Last aired
- Dec 22, 2025
- Original language
- JA
- Origin
- JP
- Networks
- ABEMA
- Genres
- Comedy, Animation
- Updated
Where to watch
Stream
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U-NEXT
dAnime Amazon Channel
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FODFree
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How long to binge?
Estimate the schedule using 35 episodes and an average 12-minute runtime.
Trailer
Overview
Isekai Quartet is a Japanese anime series that combines characters from various light novel series published by Kadokawa Corporation. The series is a chibi-style crossover that brings together characters from KonoSuba, Overlord, Re:Zero, and The Saga of Tanya the Evil, among others. It is part of the isekai subgenre of Japanese fantasy and science fiction, which involves characters being transported to different worlds. The series features a unique blend of characters and storylines, resulting in comical chaos. The first season of Isekai Quartet aired from April to June 2019, and a second season has also been released. The series has been noted for its crossover style, combining elements from multiple popular anime series. Isekai Quartet has been included in lists of notable isekai anime and has been described as a celebration of the subgenre.
Should you watch it?
“Characters from different isekai worlds are mysteriously transported together.”
- Unique crossover concept between popular isekai series
- Lighthearted comedy with familiar characters
- Creative interactions between different world inhabitants
- Requires familiarity with source materials
- Short episode runtime
You enjoy isekai genre parodies and character crossovers.
Suitable for teens and up, focuses on comedy and adventure.
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Cast
Episode guide
Spoiler-Safe Browsing Progress
Season 1 · 12 episodes
Open the complete Season 1 guide & lore primer →- E1 Come Together! Quartet Mytharc Apr 10, 2019
- E2 Tension! Introductions Core Apr 17, 2019
- E3 Deadlock! Classmates Core Apr 24, 2019
- E4 Encounter! Classmates Core May 1, 2019
- E5 Explosion! Talent Show Core May 8, 2019
- E6 Decision! Class Rep Core May 15, 2019
- E7 Carry Out! Class Rep Core May 22, 2019
- E8 Prepare! Field Trip Core May 28, 2019
- E9 Enjoy! Field Trip Core Jun 4, 2019
- E10 Join In! Rivals Core Jun 12, 2019
- E11 Work Together! Field Day Mytharc Jun 19, 2019
- E12 Band Together! Quartet Mytharc Jun 26, 2019
Season 2 · 12 episodes
- E1 Join the Fight! Transfer Student Mytharc Jan 15, 2020
- E2 Sneak In! The Principal's Office Core Jan 22, 2020
- E3 Uh-Oh! Detention! Core Jan 29, 2020
- E4 Pinch! Test of Learning Core Feb 5, 2020
- E5 Work Hard! Valentine's Day Core Feb 12, 2020
- E6 Clash! Dodgeball Core Feb 19, 2020
- E7 Excitement! Physicals Day Core Feb 26, 2020
- E8 Challenge! Part-Time Job Core Mar 4, 2020
- E9 Investigate! First Errand Core Mar 11, 2020
- E10 Rise Up! School Festival Mytharc Mar 18, 2020
- E11 It Begins! School Festival Mytharc Mar 25, 2020
- E12 The Show Begins! Showtime Mytharc Apr 1, 2020
Season 3 · 11 episodes
- E1 Come Together! School Life Mytharc Oct 13, 2025
- E2 Lurking! Eminence Core Oct 20, 2025
- E3 Working Together! Morning Glories Core Oct 27, 2025
- E4 Chaos! Cooking Class! Core Nov 3, 2025
- E5 Attack! Of the Spear Hero Core Nov 10, 2025
- E6 Search! Shadow and Devil Core Nov 17, 2025
- E7 Slip-Sliding! Ski Trip! Core Nov 24, 2025
- E8 Popular! Online Game Core Dec 1, 2025
- E9 Get Closer! Music Festival Core Dec 8, 2025
- E10 Terror! Music Festival Mytharc Dec 15, 2025
- E11 Melody! Music Festival Mytharc Dec 22, 2025
Frequently asked questions
What does isekai quartet mean?
Isekai refers to characters being transported to another world, while quartet indicates the crossover of multiple series.
Do I need to watch the source anime first?
Familiarity with the original series helps but isn't strictly necessary for basic enjoyment.
Is this a serious isekai story?
No, it's primarily a comedic parody format with meta humor.
How many episodes are there?
The series consists of multiple seasonal releases with episodic content.
Are new characters introduced?
The show features existing characters from various isekai franchises interacting together.