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The Best Episodes of Isekai Quartet

Every episode of Isekai Quartet ranked from best to worst. Let's dive into the Best Episodes of Isekai Quartet!

Binge this in 2h 23m•Peaking at 9.0/10

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 Fan Favorite
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    Isekai Quartet Season 3 Episode 1 - Come Together! School Life
    9.0/10(54 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 7 - Slip-Sliding! Ski Trip!
    8.7/10(32 votes)

    #2 - Slip-Sliding! Ski Trip!

    S3:E7

    The whole class goes on an exciting ski vacation.

    Director:Unknown
    Writer:Unknown

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  3. Isekai Quartet Season 3 Episode 2 - Lurking! Eminence
    8.4/10(31 votes)

    #3 - Lurking! Eminence

    S3:E2

    An eminent shadow lurks in the school.

    Director:Unknown
    Writer:Unknown

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  4. Isekai Quartet Season 3 Episode 6 - Search! Shadow and Devil
    8.3/10(28 votes)

    #4 - Search! Shadow and Devil

    S3:E6

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

    Director:Unknown
    Writer:Unknown

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  5. Isekai Quartet Season 1 Episode 4 - Encounter! Classmates
    8.2/10(87 votes)

    #5 - 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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  6. Isekai Quartet Season 1 Episode 5 - Explosion! Talent Show
    8.2/10(85 votes)

    #6 - 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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    The 20 WORST Episodes of Isekai Quartet

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  7. Isekai Quartet Season 1 Episode 9 - Enjoy! Field Trip
    8.2/10(85 votes)

    #7 - 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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  8. Isekai Quartet Season 1 Episode 10 - Join In! Rivals
    8.2/10(83 votes)

    #8 - 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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  9. Isekai Quartet Season 1 Episode 12 - Band Together! Quartet
    8.2/10(82 votes)

    #9 - 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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  10. Isekai Quartet Season 2 Episode 5 - Work Hard! Valentine's Day
    8.2/10(73 votes)

    #10 - Work Hard! Valentine's Day

    S2:E5

    It's Valentine's Day, which means it's time to give chocolate to the boy you like! But an unexpected face makes an appearance…

    Director:Minoru Ashina
    Writer:Minoru Ashina

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  11. Isekai Quartet Season 2 Episode 6 - Clash! Dodgeball
    8.2/10(73 votes)

    #11 - Clash! Dodgeball

    S2:E6

    It's time for a battle to settle the most important question of all: what do you put on your chicken wings?

    Director:Minoru Ashina
    Writer:Minoru Ashina

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  12. Isekai Quartet Season 3 Episode 4 - Chaos! Cooking Class!
    8.2/10(26 votes)

    #12 - Chaos! Cooking Class!

    S3:E4

    The class gets together to cook pasta.

    Director:Unknown
    Writer:Unknown

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  13. Isekai Quartet Season 1 Episode 8 - Prepare! Field Trip
    8.1/10(85 votes)

    #13 - 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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  14. Isekai Quartet Season 1 Episode 11 - Work Together! Field Day
    8.1/10(83 votes)

    #14 - 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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  15. Isekai Quartet Season 2 Episode 4 - Pinch! Test of Learning
    8.1/10(69 votes)

    #15 - Pinch! Test of Learning

    S2:E4

    It's time for a test! Everybody expects Ains to score highly, but… he never even passed middle school!

    Director:Minoru Ashina
    Writer:Minoru Ashina

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  16. Isekai Quartet Season 2 Episode 12 - The Show Begins! Showtime
    8.0/10(69 votes)

    #16 - The Show Begins! Showtime

    S2: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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  17. Isekai Quartet Season 3 Episode 3 - Working Together! Morning Glories
    8.0/10(25 votes)

    #17 - Working Together! Morning Glories

    S3:E3

    The class works together to grow morning glories.

    Director:Unknown
    Writer:Unknown

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  18. Isekai Quartet Season 3 Episode 9 - Get Closer! Music Festival
    8.0/10(21 votes)

    #18 - Get Closer! Music Festival

    S3:E9

    The classes are suddenly told about an upcoming music festival.

    Director:Unknown
    Writer:Unknown

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  19. Isekai Quartet Season 1 Episode 1 - Come Together! Quartet
    7.9/10(90 votes)

    #19 - 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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  20. Isekai Quartet Season 1 Episode 2 - Tension! Introductions
    7.9/10(82 votes)

    #20 - 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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  21. Isekai Quartet Season 1 Episode 3 - Deadlock! Classmates
    7.9/10(82 votes)

    #21 - 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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  22. Isekai Quartet Season 1 Episode 6 - Decision! Class Rep
    7.9/10(81 votes)

    #22 - 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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  23. Isekai Quartet Season 2 Episode 2 - Sneak In! The Principal's Office
    7.9/10(72 votes)

    #23 - 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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  24. Isekai Quartet Season 2 Episode 7 - Excitement! Physicals Day
    7.9/10(69 votes)

    #24 - Excitement! Physicals Day

    S2:E7

    It's time for physicals, and everybody's ready to get naked and get on the scale! Who will be brave enough to go peek at the opposite sex?

    Director:Minoru Ashina
    Writer:Minoru Ashina

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  25. Isekai Quartet Season 3 Episode 5 - Attack! Of the Spear Hero
    7.9/10(22 votes)

    #25 - 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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Best Episodes Summary

"Come Together! School Life" is the best rated episode of "Isekai Quartet". It scored 9/10 based on 54 votes. Directed by Unknown and written by Unknown, it aired on 10/13/2025. This episode scored 0.3 points higher than the second highest rated, "Slip-Sliding! Ski Trip!".