The highly anticipated third season of the beloved chibi-style crossover anime, Isekai Quartet 3, officially premiered on October 13, 2025, bringing together fan-favorite characters from various Isekai franchises for another round of comedic school life. The new season notably expands its already extensive roster by introducing characters from The Eminence in Shadow.
New episodes of Isekai Quartet 3 are slated to release weekly on Mondays at 7:30 a.m. PDT / 10:30 a.m. EDT on Crunchyroll, with English subtitles available immediately and an English dub to follow at a later date.
Expanded Roster and Returning Favorites
Isekai Quartet 3 continues its tradition of bringing together an eclectic mix of characters from popular Isekai series. This season sees the return of protagonists and supporting casts from Re:ZERO -Starting Life in Another World-, Overlord, KONOSUBA -God’s blessing on this wonderful world!, and Saga of Tanya the Evil. Additionally, characters from The Rising of the Shield Hero, who joined in the second season, are also back.
The most significant addition for this season is the inclusion of characters from The Eminence in Shadow, promising fresh dynamics and humorous interactions within the school setting. With over 70 characters now participating, the third season is set to be the most chaotic and memorable yet.
Production Details and Theme Songs
Studio Puyukai continues to handle the animation for Isekai Quartet 3, maintaining the distinctive chibi art style that fans have come to love. Minoru Ashina returns as both the director and scriptwriter, ensuring consistency in the show’s unique blend of humor and character interactions. Minoru Takehara is credited with character designs and serves as chief animation director, while Ruka Kawada composes the music.
The opening theme song for Isekai Quartet 3 is titled “Isekai Concerto,” performed by the voice actors of the main characters: Ains (Satoshi Hino), Kazuma (Jun Fukushima), Subaru (Yūsuke Kobayashi), and Tanya (Aoi Yūki). The ending theme, “Kimi Iro, Boku Iro” (Your Colour, My Colour), is performed by Konomi Suzuki and Kashitarō Itō.
Where to Watch Isekai Quartet 3
For viewers in North America, Central America, South America, Europe, Africa, Oceania, the Middle East, and CIS, Isekai Quartet 3 is available for streaming on Crunchyroll. In Japan, the anime is airing on various channels including Tokyo MX, BS11, MBS, and AT-X, alongside streaming services like d Anime Store.
The season is scheduled to air for at least 10 episodes, with new installments arriving weekly. Fans can look forward to ongoing antics as their favorite Isekai heroes and villains navigate the peculiarities of their shared school life.