第 1 季 共 12 集
播出时间：2019年4月11日
第 1 集 Come Together! Quartet
播出时间：2019年4月11日
Mysterious buttons appear in the worlds of Tanya the Evil, KonoSuba, Overlord, and Re:Zero. When the characters push them, they're taken to a place they'd never imagined...
第 2 集 Tension! Introductions
播出时间：2019年4月18日
Now that everybody's settled in, it's time for the first day of school, which means everybody has to introduce themselves.
第 3 集 Deadlock! Classmates
播出时间：2019年4月25日
The students begin to wonder about why they are here, and what this school really is. Tanya, in particular, has a theory about Ains...
第 4 集 Encounter! Classmates
播出时间：2019年5月2日
The students realize that they're all from other worlds, and begin to share their backgrounds. But some are luckier than others...
第 5 集 Explosion! Talent Show
播出时间：2019年5月9日
It's time for the talent show, but none of the students are talented at all. The KonoSuba crowd in particular...
第 6 集 Decision! Class Rep
播出时间：2019年5月16日
It's time to pick the class rep! But Aqua doesn't want Ains to do it, and Albedo doesn't want Aqua anywhere near the job.
第 7 集 Carry Out! Class Rep
播出时间：2019年5月23日
Emilia's the class rep now, but it's really hard. But she wants to do her best!
第 8 集 Prepare! Field Trip
播出时间：2019年5月29日
It's time for a field trip to the beach, and the gang's getting ready. But who wants to see Kazuma in a swimsuit?
第 9 集 Enjoy! Field Trip
播出时间：2019年6月5日
The field trip is here, and it's great! Everybody's at the beach and having a great time. But Tanya hears something that makes her upset...
第 10 集 Join In! Rivals
播出时间：2019年6月13日
It's time for Field Day, and Roswaal hints that whoever wins will get to go home. But then they meet their opponents...
第 11 集 Work Together! Field Day
播出时间：2019年6月20日
Field Day is here, and it's lots of fun for everyone. There's tug of war, scavenger hunts... and giant robots?!
第 12 集 Band Together! Quartet
播出时间：2019年6月27日
The mobile fortress "Destroyer" has joined the last game! It's up to the quartet to grab its headband and win the game.
