Isekai Quartet is a Japanese anime series that serves as a chibi-style crossover between the light novel series KonoSuba , Overlord , Re:Zero − Starting Life in Another World , and The Saga of Tanya the Evil , all published by Kadokawa Corporation . The series is written and directed by Minoru Ashina, with character designs by Minoru Takehara, who also serves as chief animation director. The series is animated by Studio Puyukai . It aired from April 9 to June 25, 2019.[ 1] [ 2] The series ran 12 episodes.[ 3] Funimation has licensed the series and is streaming it in both Japanese and English.[ 4] On April 23, 2019, it was added to Crunchyroll 's streaming library as well.[ 5] Satoshi Hino , Jun Fukushima , Yūsuke Kobayashi and Aoi Yūki perform the opening theme song "Isekai Quartet" (異世界かるてっと , Isekai Karutetto ) , while Yumi Hara , Sora Amamiya , Rie Takahashi and Aoi Yūki perform the ending theme song "Isekai Girls Talk" (異世界ガールズ♡トーク , Isekai gāruzu tōku ) .[ 6]
A second season of the anime series was announced at the ending of Episode 12 and premiered on January 14, 2020.[ 7] The main staff members returned to reprise their roles.[ 8] The season includes guest appearances of characters from The Rising of the Shield Hero .[ 9] Hino, Fukushima, Kobayashi and Yūki perform the second season's opening theme song "Isekai Showtime" (異世界ショータイム , Isekai Shōtaimu ) , while Sumire Uesaka , Rie Takahashi , Inori Minase , and Saori Hayami perform the second season's ending theme song, "Ponkotsu! Isekai Theater" (ポンコツ!異世界シアター , Ponkotsu! Isekai Shiatā ) .[ 10] The second season ran for 12 episodes.[ 11] Funimation has licensed the series for a simuldub .[ 12] [ 13] Crunchyroll is also streaming the second season.[ 14] Muse Asia is streaming the second season in Southeast Asia .[ 15]
A sequel to the anime series was announced at the ending of the second season's final episode.[ 16]
^ Hodgkins, Crystalyn (October 6, 2018). "New Isekai Quartet Anime Project Crosses Over Overlord, Re:Zero, Tanya, Konosuba Franchises" . Anime News Network . Retrieved October 6, 2018 .
^ Hodgkins, Crystalyn (March 8, 2019). "Isekai Quartet TV Anime Premieres on April 9" . Anime News Network . Retrieved March 8, 2019 .
^ Hodgkins, Crystalyn (March 22, 2019). "Isekai Quartet Anime's Promo Video, 2 Ads Streamed" . Anime News Network . Retrieved March 22, 2019 .
^ "Funimation to Stream Isekai Quartet, New Strike Witches, Helpful Fox Senko-san, Wise Man's Grandchild Anime" . Anime News Network. April 8, 2019. Retrieved April 9, 2019 .
^ "Crunchyroll Introduces ISEKAI QUARTET Anime to Spring 2019 Lineup" . Crunchyroll . April 23, 2019. Retrieved April 23, 2019 .
^ "Products" . isekai-quartet.com . Retrieved April 10, 2019 .
^ Sherman, Jennifer (June 25, 2019). "Isekai Quartet Crossover Anime Gets 2nd Season" . Anime News Network . Retrieved June 25, 2019 .
^ Hodgkins, Crystalyn (October 7, 2019). "Isekai Quartet 2 Anime's Promo Video Reveals January Premiere" . Anime News Network . Retrieved October 7, 2019 .
^ Loo, Egan (October 5, 2019). "The Rising of the Shield Hero Characters to Guest-Star in Isekai Quartet Anime Season 2" . Anime News Network . Retrieved October 6, 2019 .
^ Sherman, Jennifer (December 6, 2019). "Isekai Quartet 2 Anime's Promo Video Reveals January Premiere" . Anime News Network . Retrieved December 6, 2019 .
^ Loo, Egan (December 24, 2019). "Isekai Quartet 2 Anime Unveils 2nd Promo Video, 12-Episode Length" . Anime News Network . Retrieved December 24, 2019 .
^ "Stay Cozy with Funimation's Winter 2020 Lineup" . Funimation . December 26, 2019. Retrieved January 2, 2020 .
^ "Funimation Adds Toilet-bound Hanako-kun, Isekai Quartet 2, 'If My Favorite Pop Idol Made It to the Budokan, I Would Die' Anime to Winter Lineup" . Anime News Network . December 23, 2019. Retrieved January 2, 2020 .
^ "Crunchyroll Adds Isekai Quartet 2 Anime to Winter Lineup" . Anime News Network . December 23, 2019. Retrieved January 2, 2020 .
^ "Muse Asia Streams A3!, Asteroid in Love, Isekai Quartet 2, BOFURI" . Anime News Network . December 27, 2019. Retrieved January 11, 2020 .
^ "Isekai Quartet Anime Gets Sequel" . Anime News Network . March 31, 2020. Retrieved July 11, 2021 .