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Isekai Quartet

Isekai Quartet cover

Isekai Quartet (異世界かるてっと) is an anime crossover spin-off that first aired on April 9, 2019. It is a crossover anime series that consists of characters from four major light novel works that boast a cumulative total of over 16 million copies in the total series, and boasting a total sales of more than 500,000 Blu-ray Disc & DVD series: Overlord, Kono Subarashii Sekai ni Shukufuku wo! (この素晴らしい世界に祝福を!), Re:Zero kara Hajimeru Isekai Seikatsu (ゼロから始める異世界生活), and Youjo Senki (幼女戦記).

The series is produced by Kadokawa and the studio in charge of animation is Studio PuYUKAI. Asini Minoru is the director/screenwriter; Takahara Minoru is the character designer and general director. The latest news and information are posted on the series official site. The opening theme for this series is Isekai Quartet and the ending theme is Isekai Girls Talk.

A Season 2, titled Isekai Quartet 2, was announced on October 5, 2019, and was released on January 14, 2020. The season introduces new main characters from a fifth major series: Tate no Yūsha no Nariagari. It also features several cameos from characters from the series: Cautious Hero: The Hero Is Overpowered but Overly Cautious. The opening theme for this series is Isekai Showtime and the ending theme is Ponkotsu! Isekai Theater.

Summary

A mysterious switch appeared one day. When pressing it, they were sent to a different alternative world!! There are also characters from other alternative worlds gathered together...!?

Season 1

Images Episode Title Air Date Episode
Isekai Quartet Episode 01
Come Together! Quartet
集結!かるてっと
Shūketsu! Karu Tetto
April 9, 2019 1
Isekai Quartet Episode 02
Tension! Introductions
緊迫!じこしょうかい
Kinpaku! Jiko Shōkai
April 16, 2019 2
Isekai Quartet Episode 03
Deadlock! Classmates
膠着!くらすめいと
Kōchaku! Kurasu Mei To
April 23, 2019 3
Isekai Quartet Episode 04
Encounter! Classmates
邂逅!くらすめいと
Kaigō! Kurasu Mei To
April 30, 2019 4
Isekai Quartet Episode 05
Explosion! Talent Show
炸裂!こんしんかい
Sakuretsu! Kon Shinkai
May 7, 2019 5
Isekai Quartet Episode 06
Decision! Class Rep
決定!いいんかい
Kettei! Iinkai
May 14, 2019 6
Isekai Quartet Episode 07
Carry Out! Class Rep
遂行!いいんかい
Suikō! Ī n kai
May 21, 2019 7
Isekai Quartet Episode 08
Prepare! Field Trip
準備!りんかいがっこう
Junbi! Rinkai gakkō
May 28, 2019 8
Isekai Quartet Episode 09
Enjoy! Field Trip
満喫!りんかいがっこう
Mankitsu! Rin kai gakkō
June 4, 2019 9
Isekai Quartet Episode 10
Join In! Rivals
参戦!らいばるたち
Sansen! Rai baru-tachi
June 11, 2019 10
Isekai Quartet Episode 11
Work Together! Field Day
協力!たいいくさい
Kyōryoku! Taīkusai
June 18, 2019 11
Isekai Quartet Episode 12
Band Together! Quartet
団結!かるてっと
Danketsu! Karutetto
June 25, 2019 12

Season 2

Images Episode Title Air Date Episode
Isekai Quartet 2 Episode 01
Join the Fight! Transfer Student
参戦!てんこうせい
Sansen! Den Kōsei
January 14, 2020 1
Isekai Quartet 2 Episode 02
Sneak In! The Principal's Office
潜入!こうちょうしつ
Sennyū! Kō chōshitsu
January 21, 2020 2
Isekai Quartet 2 Episode 03
Uh-Oh! Detention!
反省しどうしつ
Hansei! Shi-dōshitsu
January 28, 2020 3
Isekai Quartet 2 Episode 04
Pinch! Test of Learning
窮地! がくりょくてすと
Kyūchi! Gakuryoku tesuto
February 4, 2020 4
Isekai Quartet 2 Episode 05
Work Hard! Valentine's Day
勤勉!ばれんたいんでー
Kinben! Barentaindē
February 11, 2020 5
Isekai Quartet 2 Episode 06
Clash! Dodgeball!
激突!どっじぼーる
Gekitotsu! Dojjiboru
February 18, 2020 6
Isekai Quartet 2 Episode 07
Excitement! Physicals Day
興奮!しんたいそくてい
Kōfun! Shintaisoku tei
February 25, 2020 7
Isekai Quartet 2 Episode 08
Challenge! Part-Time Job
挑戦!あるばいと
Chōsen! Arubaito
March 3, 2020 8
Isekai Quartet 2 Episode 09
Investigate! First Errand
調査!はじめてのおつかい
Chōsa! Hajimete no otsukai
March 10, 2020 9
Isekai Quartet 2 Episode 10
Rise Up! School Festival!
調査!はじめてのおつかい
Kekki! Gakuensai!
March 17, 2020 10
Isekai Quartet 2 Episode 11
It Begins! School Festival
開幕!がくえんさい
Kaimaku! Gakuensai
March 24, 2020 11
Isekai Quartet 2 Episode 12
The Show Begins! Showtime
開演!しょーたいむ
Kaien! Shotaimu
March 31, 2020 12

Trivia

  • All four (later five) series possess a theme involving the protagonist being transferred to another world.
  • Staff who created Pure Pure Pleiades (ぷれぷれぷれあです), Re: PETIT ~Starting Life in Another World from PETIT~ (Re:プチから始める異世界生活), Youjo Shenki (ようじょしぇんき) also worked together on this joint animation series.
  • In lieu of a chapter from the Overlord Manga, the series was promoted in the Monthly Comp Ace November 2018 Issue.
  • The MMORPG, MapleStory happens to host several Isekai Quartet events that started on March 11, 2020 and ends on April 7, 2020.

Gallery

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