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The Best Episodes of Welcome to Demon School! Iruma-kun Season 4

Every episode of Welcome to Demon School! Iruma-kun Season 4 ranked from best to worst. Discover the Best Episodes of Welcome to Demon School! Iruma-kun Season 4!

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Fourteen-year-old Iruma Suzuki has just been abandoned and sold to a demon by his irresponsible parents! Surprisingly, the next thing he knows he's living with the demon who has adopted him as his new grandson

Airs on
NHK Educational TV
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Episode Rankings

  1. #1 Fan Favorite
    Welcome to Demon School! Iruma-kun Season 4 Episode 1 - The Other Demon in the Misfit Class
    8.3/10(152 votes)

    #1 - The Other Demon in the Misfit Class

    S4:E1

    The Misfit Class find out they need to compete in the Music Festival and find out they had another student.

    Director:Ayaka Tsujihashi
    Writer:Unknown

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  2. Welcome to Demon School! Iruma-kun Season 4 Episode 2 - A Challenge to the Thirteen
    8.3/10(130 votes)

    #2 - A Challenge to the Thirteen

    S4:E2

    The Misfit Class try to figure out what kind of performance they're going to do for the Music Festival.

    Director:Unknown
    Writer:Unknown

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  3. Welcome to Demon School! Iruma-kun Season 4 Episode 3 - The Essence of a Dem-dol
    8.0/10(126 votes)

    #3 - The Essence of a Dem-dol

    S4:E3

    The Misfit Class decide to do the Hell Dance at the Music Festival and Kalego coaches Iruma and Purson.

    Director:Unknown
    Writer:Unknown

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  4. Welcome to Demon School! Iruma-kun Season 4 Episode 4 - We Can't See Him, But...
    7.0/10(132 votes)

    #4 - We Can't See Him, But...

    S4:E4

    Iruma wants to have a chat with Purson.

    Director:Hiroki Nagashima
    Writer:Unknown

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  5. Welcome to Demon School! Iruma-kun Season 4 Episode 5 - Let's Have a Chat
    8.0/10(126 votes)

    #5 - Let's Have a Chat

    S4:E5

    Purson has disappeared, but Iruma doesn’t give up and decides to talk with him.

    Director:Unknown
    Writer:Unknown

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  6. Welcome to Demon School! Iruma-kun Season 4 Episode 6 - The Music Festival: Showtime!!
    7.5/10(141 votes)

    #6 - The Music Festival: Showtime!!

    S4:E6

    Suzuki Iruma and all thirteen students of the Misfit Class must perform to reach Rank 4 at the Music Festival.

    Director:Unknown
    Writer:Unknown

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  7. Welcome to Demon School! Iruma-kun Season 4 Episode 7 - Lilith's Carpet
    9.3/10(404 votes)

    #7 - Lilith's Carpet

    S4:E7

    Iruma and the rest of the Misfit Class perform their rendition of "Lilith's Carpet."

    Director:Unknown
    Writer:Unknown

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  8. Welcome to Demon School! Iruma-kun Season 4 Episode 8 - Victory Salute
    9.0/10(106 votes)

    #8 - Victory Salute

    S4:E8

    Iruma and the Misfit Class learn the results of the Music Festival and Purson has a chat with his father.

    Director:Kenichiro Watanabe
    Writer:Unknown

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  9. Welcome to Demon School! Iruma-kun Season 4 Episode 9 - Behind Those Eyes
    8.0/10(89 votes)

    #9 - Behind Those Eyes

    S4:E9

    Asmodeus goes to fetch something from the club room and runs into someone unexpected.

    Director:Unknown
    Writer:Unknown

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  10. Welcome to Demon School! Iruma-kun Season 4 Episode 10 - Triple Love Squad
    8.7/10(87 votes)

    #10 - Triple Love Squad

    S4:E10

    Iruma and Asmodeus spend the day together having fun.

    Director:Unknown
    Writer:Unknown

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  11. Welcome to Demon School! Iruma-kun Season 4 Episode 11 - Best Friend Meeting / Lead's Flirting Meeting
    8.0/10(82 votes)

    #11 - Best Friend Meeting / Lead's Flirting Meeting

    S4:E11

    Iruma explains friendship to the class, while Lead seeks advice on getting closer to Elizabetta.

    Director:Unknown
    Writer:Unknown

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  12. Welcome to Demon School! Iruma-kun Season 4 Episode 12 - One-Year Distance and One-Centimeter Distance
    9.3/10(139 votes)

    #12 - One-Year Distance and One-Centimeter Distance

    S4:E12

    Ameri goes to the Deviculum and contemplates her current distance with Iruma.

    Director:Unknown
    Writer:Unknown

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  13. Welcome to Demon School! Iruma-kun Season 4 Episode 13 - Suzuki Iruma's Exorcibration
    8.8/10(61 votes)

    #13 - Suzuki Iruma's Exorcibration

    S4:E13

    Iruma-kun celebrates his birthday for the first time in the netherworld.

    Director:Unknown
    Writer:Unknown

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  14. Welcome to Demon School! Iruma-kun Season 4 Episode 14 - Infiltrate the Teacher Dorms! / A New Member Joins the Girls?!
    8.3/10(39 votes)

    #14 - Infiltrate the Teacher Dorms! / A New Member Joins the Girls?!

    S4:E14

    Iruma visits the teacher dorms and Naphula joins the girl squad.

    Director:Unknown
    Writer:Unknown

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  15. Welcome to Demon School! Iruma-kun Season 4 Episode 15 - The Laws of the Netherworld Dictate That One Takes After Their Master / Even Among Those Who Are Close...
    8.0/10(24 votes)

    #15 - The Laws of the Netherworld Dictate That One Takes After Their Master / Even Among Those Who Are Close...

    S4:E15

    Jazz tries to deal with his familiar and Lead teaches Asmodeus how to play video games.

    Director:Unknown
    Writer:Unknown

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  16. Welcome to Demon School! Iruma-kun Season 4 Episode 16 - A Misfit Casual Gathering / Netherworld Devotee
    10.0/10(1 votes)

    #16 - A Misfit Casual Gathering / Netherworld Devotee

    S4:E16

    The Misfit Class has a party at Iruma's home and then Iruma helps Opera perform their daily duties.

    Director:Unknown
    Writer:Unknown

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  17. Welcome to Demon School! Iruma-kun Season 4 Episode 17 - The Great Heroes Gather
    10.0/10(1 votes)

    #17 - The Great Heroes Gather

    S4:E17

    The Thirteen Crowns discuss their future and nominate candidates for the next Demon King.

    Director:Unknown
    Writer:Unknown

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  18. Welcome to Demon School! Iruma-kun Season 4 Episode 18 - Give the Youth All the Nutrients They Need / Crossing the Sunbeams Shining Through the Trees
    0.0/10(0 votes)

    #18 - Give the Youth All the Nutrients They Need / Crossing the Sunbeams Shining Through the Trees

    S4:E18

    The Dinner of the Thirteen Crowns occurs and then Iruma, Asmodeus, and Clara contemplate being second-years.

    Director:Unknown
    Writer:Unknown

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Season 4 Ratings Summary

"The Other Demon in the Misfit Class" is the best rated episode of "Welcome to Demon School! Iruma-kun" season 4. It scored 8.3/10 based on 152 votes. Directed by Ayaka Tsujihashi and written by Unknown, it aired on 4/4/2026. This episode is rated 0.0 points higher than the second-best, "A Challenge to the Thirteen".