Isekai Quartet Timeline ( Real )

announcement
September 14, 2018

Announcement of Isekai Quartet

The official announcement of the crossover anime series Isekai Quartet, featuring characters from various isekai anime.

release
April 9, 2019

Premiere of Isekai Quartet Season 1

The first season of Isekai Quartet premiered in Japan, bringing together characters from Overlord, Re:Zero, KonoSuba, and The Saga of Tanya the Evil.

licensing
April 10, 2019

Licensing of Isekai Quartet for North America

Funimation announced the licensing of Isekai Quartet for streaming and distribution in North America.

release
January 14, 2020

Premiere of Isekai Quartet Season 2

The second season of Isekai Quartet began airing, continuing the crossover adventures of the characters from the included series.

Isekai Quartet Timeline ( Fictional )

arrival
Day 1, Week 1

Arrival at the Crossworld School

Characters from different worlds find themselves transported to a mysterious school where they must learn to coexist and navigate their new environment.

event
Day 5, Week 2

First Festival Competition

The students participate in the school festival's various competitions, showcasing their unique abilities and forming new friendships across worlds.

organization
Day 2, Week 3

Formation of the Isekai Quartet Club

Main characters form a club to collaborate on solving problems and helping each other adapt to the new world.

mystery
Day 4, Week 4

Mystery of the Disappearing Classroom

Several classrooms mysteriously vanish, prompting the students to investigate and uncover hidden secrets about the school.

arrival
Day 1, Week 5

Arrival of New Transfer Students

New characters from additional isekai worlds join the school, adding complexity and new dynamics to the group.

event
Day 3, Week 6

The Great Sports Festival

An athletic competition where students compete in various sports events, leading to friendly rivalries and teamwork.

crisis
Day 2, Week 7

Crisis of the Collapsing Bridge

A critical infrastructure in the school starts collapsing, threatening safety and forcing the students to work together for a solution.

event
Day 5, Week 8

Graduation Ceremony and Farewells

As the semester ends, students prepare for graduation and say their goodbyes, reflecting on their growth and friendships made.