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The Worst Episodes of Isekai Quartet

Every episode of Isekai Quartet ranked from worst to best. Explore the Worst Episodes of Isekai Quartet!

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

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Episode Rankings

  1. #1 Worst Episode
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    Isekai Quartet Season 3 Episode 1 - Come Together! School Life
    0.0/10(0 votes)

    #1 - Come Together! School Life

    S3:E1

    An eminent new student comes to the school.

    Director:Unknown
    Writer:Unknown

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  2. Isekai Quartet Season 3 Episode 2 - Lurking! Eminence
    0.0/10(0 votes)

    #2 - Lurking! Eminence

    S3:E2

    An eminent shadow lurks in the school.

    Director:Unknown
    Writer:Unknown

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  3. Isekai Quartet Season 3 Episode 3 - Working Together! Morning Glories
    0.0/10(0 votes)

    #3 - Working Together! Morning Glories

    S3:E3

    The class works together to grow morning glories.

    Director:Unknown
    Writer:Unknown

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  4. Isekai Quartet Season 3 Episode 4 - Chaos! Cooking Class!
    0.0/10(0 votes)

    #4 - Chaos! Cooking Class!

    S3:E4

    The class gets together to cook pasta.

    Director:Unknown
    Writer:Unknown

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  5. Isekai Quartet Season 3 Episode 5 - Attack! Of the Spear Hero
    0.0/10(0 votes)

    #5 - Attack! Of the Spear Hero

    S3:E5

    Motoyasu comes to the school, but he sees every girl he meets as a pig.

    Director:Unknown
    Writer:Unknown

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  6. Isekai Quartet Season 3 Episode 6 - Search! Shadow and Devil
    0.0/10(0 votes)

    #6 - Search! Shadow and Devil

    S3:E6

    Tanya searches for the identity of the mysterious "Shadow."

    Director:Unknown
    Writer:Unknown

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  7. Isekai Quartet Season 3 Episode 7 - Slip-Sliding! Ski Trip!
    0.0/10(0 votes)

    #7 - Slip-Sliding! Ski Trip!

    S3:E7

    The whole class goes on an exciting ski vacation.

    Director:Unknown
    Writer:Unknown

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  8. Isekai Quartet Season 3 Episode 8 - Popular! Online Game
    0.0/10(0 votes)

    #8 - Popular! Online Game

    S3:E8

    Everyone starts skipping when a new hit game comes out.

    Director:Unknown
    Writer:Unknown

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  9. Isekai Quartet Season 3 Episode 9 - Get Closer! Music Festival
    0.0/10(0 votes)

    #9 - Get Closer! Music Festival

    S3:E9

    The classes are suddenly told about an upcoming music festival.

    Director:Unknown
    Writer:Unknown

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  10. Isekai Quartet Season 3 Episode 10 - Terror! Music Festival
    0.0/10(0 votes)

    #10 - Terror! Music Festival

    S3:E10

    The day of the music festival arrives, but, naturally, it won't take place without some setbacks.

    Director:Unknown
    Writer:Unknown

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  11. Isekai Quartet Season 3 Episode 11 - Melody! Music Festival
    0.0/10(0 votes)

    #11 - Melody! Music Festival

    S3:E11

    The school will have to face a giant zombie bell before receiving the festival prize.

    Director:Unknown
    Writer:Unknown

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  12. Isekai Quartet Season 1 Episode 1 - Come Together! Quartet
    10.0/10(1 votes)

    #12 - Come Together! Quartet

    S1:E1

    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...

    Director:Minoru Ashina
    Writer:Minoru Ashina

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  13. Isekai Quartet Season 1 Episode 2 - Tension! Introductions
    10.0/10(1 votes)

    #13 - Tension! Introductions

    S1:E2

    Now that everybody's settled in, it's time for the first day of school, which means everybody has to introduce themselves.

    Director:Minoru Ashina
    Writer:Minoru Ashina

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  14. Isekai Quartet Season 1 Episode 3 - Deadlock! Classmates
    10.0/10(1 votes)

    #14 - Deadlock! Classmates

    S1:E3

    The students begin to wonder about why they are here, and what this school really is. Tanya, in particular, has a theory about Ains...

    Director:Minoru Ashina
    Writer:Minoru Ashina

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  15. Isekai Quartet Season 1 Episode 4 - Encounter! Classmates
    10.0/10(1 votes)

    #15 - Encounter! Classmates

    S1:E4

    The students realize that they're all from other worlds, and begin to share their backgrounds. But some are luckier than others...

    Director:Minoru Ashina
    Writer:Minoru Ashina

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  16. Isekai Quartet Season 1 Episode 5 - Explosion! Talent Show
    10.0/10(1 votes)

    #16 - Explosion! Talent Show

    S1:E5

    It's time for the talent show, but none of the students are talented at all. The KonoSuba crowd in particular...

    Director:Minoru Ashina
    Writer:Minoru Ashina

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  17. Isekai Quartet Season 1 Episode 6 - Decision! Class Rep
    10.0/10(1 votes)

    #17 - Decision! Class Rep

    S1:E6

    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.

    Director:Minoru Ashina
    Writer:Minoru Ashina

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  18. Isekai Quartet Season 1 Episode 7 - Carry Out! Class Rep
    10.0/10(1 votes)

    #18 - Carry Out! Class Rep

    S1:E7

    Emilia's the class rep now, but it's really hard. But she wants to do her best!

    Director:Minoru Ashina
    Writer:Minoru Ashina

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  19. Isekai Quartet Season 1 Episode 8 - Prepare! Field Trip
    10.0/10(1 votes)

    #19 - Prepare! Field Trip

    S1:E8

    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?

    Director:Minoru Ashina
    Writer:Minoru Ashina

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  20. Isekai Quartet Season 1 Episode 9 - Enjoy! Field Trip
    10.0/10(1 votes)

    #20 - Enjoy! Field Trip

    S1:E9

    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...

    Director:Minoru Ashina
    Writer:Minoru Ashina

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  21. Isekai Quartet Season 1 Episode 10 - Join In! Rivals
    10.0/10(1 votes)

    #21 - Join In! Rivals

    S1:E10

    It's time for Field Day, and Roswaal hints that whoever wins will get to go home. But then they meet their opponents...

    Director:Minoru Ashina
    Writer:Minoru Ashina

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  22. Isekai Quartet Season 1 Episode 11 - Work Together! Field Day
    10.0/10(1 votes)

    #22 - Work Together! Field Day

    S1:E11

    Field Day is here, and it's lots of fun for everyone. There's tug of war, scavenger hunts... and giant robots?!

    Director:Minoru Ashina
    Writer:Minoru Ashina

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  23. Isekai Quartet Season 1 Episode 12 - Band Together! Quartet
    10.0/10(1 votes)

    #23 - Band Together! Quartet

    S1:E12

    The mobile fortress "Destroyer" has joined the last game! It's up to the quartet to grab its headband and win the game.

    Director:Minoru Ashina
    Writer:Minoru Ashina

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  24. Isekai Quartet Season 2 Episode 1 - Join the Fight! Transfer Student
    10.0/10(1 votes)

    #24 - Join the Fight! Transfer Student

    S2:E1

    The students have now finally settled into their new lives, but a new student has come to the school, and his name is… "Shield"?

    Director:Minoru Ashina
    Writer:Minoru Ashina

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  25. Isekai Quartet Season 2 Episode 2 - Sneak In! The Principal's Office
    10.0/10(1 votes)

    #25 - Sneak In! The Principal's Office

    S2:E2

    Life's great in this world, except for one thing: there's no alcohol! When the students sneak into the principal's office to get their fix from his stash, they run into more than they bargained for.

    Director:Minoru Ashina
    Writer:Minoru Ashina

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Worst Episodes Summary

"Come Together! School Life" is the worst rated episode of "Isekai Quartet". It scored /10 based on 0 votes. Directed by Unknown and written by Unknown, it aired on 10/13/2025. This episode scored 0.0 points lower than the second lowest rated, "Lurking! Eminence".