Isekai Quartet
Chibi-style crossover of popular isekai light novel series.
Isekai Quartet is a Japanese anime series that serves as a chibi-style crossover of several light novel series published by Kadokawa Corporation. The first season aired from April to June 2019, featuring characters from KonoSuba, Overlord, Re:Zero, and The Saga of Tanya the Evil. Subsequent seasons and a film expanded the crossover to include characters from The Rising of the Shield Hero, Cautious Hero: The Hero Is Overpowered but Overly Cautious, and The Eminence in Shadow.
Quick Facts
- Genre
- Comedy, isekai
- Director
- Minoru Ashina
- Producer
- Yukiko Ishibashi
- Voices
- Jun Fukushima
- Sora Amamiya
- Satoshi Hino
- Yumi Hara
- Yūsuke Kobayashi
- Rie Takahashi
- Aoi Yūki
- Saori Hayami
- Music
- Ruka Kawada
- Executive producers
- Daiji Horiuchi
- Cinematography
- Jun'ichi Ōkubo
- Animator
- Studio Puyukai
Facts from the source article.
Production and release
The anime was produced by Studio Puyukai, with Minoru Ashina serving as director and writer, and Minoru Takehara handling character designs and chief animation direction. The first season aired from April 9 to June 25, 2019. Funimation licensed the series and streamed it in both Japanese and English dubbed, and it was added to Crunchyroll's streaming library in April 2019. The opening theme song was "Isekai Quartet", performed by Satoshi Hino, Jun Fukushima, Yūsuke Kobayashi and Aoi Yūki, while the ending theme song was "Isekai Girls Talk", performed by Yumi Hara, Sora Amamiya, Rie Takahashi and Aoi Yūki.
A second season was announced after the first season's finale, with the staff returning, and aired from January 14 to March 31, 2020. This season included guest appearances of characters from The Rising of the Shield Hero. The opening theme song was "Isekai Showtime", performed by Hino, Fukushima, Kobayashi and Yūki, and the ending theme song was "Ponkotsu! Isekai Theater", performed by Sumire Uesaka, Rie Takahashi, Inori Minase, and Saori Hayami. Funimation licensed the season for a simuldub, Crunchyroll also streamed it, and Muse Asia streamed it in Southeast Asia.
Following the second season, a sequel was announced and later confirmed as an anime film titled Isekai Quartet: The Movie – Another World, which premiered on June 10, 2022, with returning staff and cast. Its theme song was "Melodic Road Movie", performed by Konomi Suzuki featuring Kashitarō Itō. A side-scrolling action game, Pixel Game Maker Series Isekai Quartet: Adventure Action Game, was released for Nintendo Switch and Steam on July 17, 2021. A third season was announced on June 13, 2025, featuring characters from The Eminence in Shadow, and aired from October 13 to December 22, 2025. The opening theme song was "Isekai Concerto", performed by Hino, Fukushima, Kobayashi and Yūki, and the ending theme song was "Kimi Iro, Boku Iro", performed by Suzuki and Itō. Crunchyroll streamed the season and featured English voice-over talent from Houston-based Sentai Studios.
More in Heroes & Key Figures
Elsewhere in The Rising of the Shield Hero
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