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The Worst Episodes of Welcome to Demon School! Iruma-kun

Every episode of Welcome to Demon School! Iruma-kun ranked from worst to best. Explore the Worst Episodes of Welcome to Demon School! Iruma-kun!

Best episode
S4E7 Lilith's Carpet
9.0555 votes
Top season
Season 2
8.1avg
Binge time
1d 12h
89 episodes

Seasons4

Episode Rankings

  1. #1 Worst Episode
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    Welcome to Demon School! Iruma-kun Season 3 Episode 7 - Clara's Toy Box / A Night Filled With Screams
    6.8/10(172 votes)
    S3:E7

    "Clara's Toy Box": Iruma gets sucked into Clara's kigurumi and then is trapped inside the strange and fantastical world that's inside! Iruma turns into a child inside and out and he ends up having a lot of fun with Clara. "A Night Filled with Screams": Students start forfeiting left and right due to the harsh conditions in the jungle the first night of the Harvest Festival. Meanwhile, Konatsu, Haruno, Azuki, and Dosanko manage to find a certain location and...

    Director:Unknown
    Writer:Unknown

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  2. Welcome to Demon School! Iruma-kun Season 3 Episode 10 - The Iruma I Know
    7.1/10(157 votes)
    S3:E10

    Day 2 of the Harvest Festival, and the Iruma and Lead team were still at zero points, so they decide to try to get the Legendary Leaf to turn things around. With that in mind, they go visit Camui. Once they find him, they also encounter a horde of magical beasts and a little kingdom that had been established. The two are captured and suddenly brought in front of the queen of the kingdom, which just so happened to be Keroli?! Meanwhile, Ameri was thinking back about her time at the Harvest Festival, as she was watching Iruma's performance from the broadcast tent.

    Director:Unknown
    Writer:Unknown

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  3. Welcome to Demon School! Iruma-kun Season 3 Episode 14 - Lead's Distress
    7.1/10(154 votes)
    S3:E14

    Iruma is safely reunited with Lead. But apparently, Lead had the Vase of Endings he had successfully obtained stolen by Elizabetta. However, it appears as though the one who took the vase was not Elizabetta, but someone else. Lead uses his bloodline ability, Controller, that had been strengthened through Robin's training and tries to track Elizabetta down. What he ended up hearing were the voices of Elizabetta, Clara, and Keroli in a hot spring?!

    Director:Unknown
    Writer:Unknown

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  4. Welcome to Demon School! Iruma-kun Season 1 Episode 15 - Kiriwo's Secret Room
    7.2/10(197 votes)
    S1:E15

    Iruma and the others continue to prepare for the Battler Party. The launchpad for the fireworks is almost complete, so Iruma goes to look for Kiriwo. Suddenly, Iruma’s ring starts dragging him and is led all over Babyls until he finds a mysterious hidden room. Kiriwo was behind those doors planning a certain project. We also find out exactly who Kiriwo had been talking to on the phone. What does Iruma find in the mysterious room?

    Director:Unknown
    Writer:Unknown

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  5. Welcome to Demon School! Iruma-kun Season 3 Episode 1 - The Misfit Class's New Term
    7.3/10(184 votes)
    S3:E1

    The students of the Misfit Class have been given a special order. The order was for all of them to reach the Dalet rank before they become second-years, or they would lose the Royal One that they had worked so hard to obtain. The next event where they can raise their rank is the Harvest Festival. In order to help them raise their ranks in such a short amount of time, the school had prepared special tutors for them. The new term had only just begun, but unexpected trials await Iruma and his friends.

    Director:Unknown
    Writer:Unknown

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  6. Welcome to Demon School! Iruma-kun Season 3 Episode 6 - Devilishly Pure
    7.3/10(164 votes)
    S3:E6

    Iruma and Lead are leisurely eating their ingredients while the other members of the Misfit Class are earning points. Iruma was experiencing a survivor's high after having his life put in danger. They decided to enjoy their time eating, putting a priority on surviving the longest in the Harvest Festival. They start talking about memories of a devi-mixer they went to and are just enjoying their time. However, they are suddenly approached by a mysterious kigurumi and...

    Director:Unknown
    Writer:Unknown

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  8. Welcome to Demon School! Iruma-kun Season 3 Episode 8 - Can We Make 100 Friends? / The Students I'm Proud Of
    7.3/10(156 votes)
    S3:E8

    "Can We Make 100 Friends?": The owner of the amazing castle in the middle of the jungle was none other than Picero! Picero and Goemon were fighting in the Harvest Festival and had this castle to come back to. A busybody and a demon who marches to the beat of his own drum... This unlikely pair apparently have known each other for a while... "The Students I'm Proud Of" Meanwhile, in the tutors' tent, there was a party going on. The tutors were all watching their students' performances during the Harvest Festival... and somewhere down the line, a rivalry was building up between the tutors.

    Director:Unknown
    Writer:Unknown

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  9. Welcome to Demon School! Iruma-kun Season 4 Episode 21 - The Tycoon and the Jewel
    7.3/10(143 votes)
    S4:E21

    Both Gyari and Kuromu make shocking announcements at the Dem-dol Games.

    Director:Unknown
    Writer:Unknown

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  10. Welcome to Demon School! Iruma-kun Season 1 Episode 8 - Head Over Heels for Clara
    7.4/10(218 votes)
    S1:E8

    Clara isn’t amused at the fact that Ameri keeps summoning Iruma. To try to get Iruma to pay attention to her again, Clara starts to take succubus charming lessons with the succubus teacher Raim. Clara wants to get Iruma’s attention again, but apparently her sexiness is almost nonexistent. Even then, Clara sets out to charm Iruma. Will she be able to win Iruma over?

    Director:Unknown
    Writer:Unknown

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  11. Welcome to Demon School! Iruma-kun Season 1 Episode 9 - Iruma's Decision and Hard Work
    7.4/10(212 votes)
    S1:E9

    After making a promise with Ameri, Iruma sets out to try to move up a rank. Iruma finds out that there is a promotion exam in a week where they would play execution cannonball, and he also finds out it’s rather similar to a game they play in the human world. Iruma decides to train after he realizes he’s far weaker than anyone else in his class. Iruma decides that he’s not going to use magic, so he starts an intense training regimen with Opera. What does Iruma gain at the end of all this training?

    Director:Unknown
    Writer:Unknown

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  12. Welcome to Demon School! Iruma-kun Season 1 Episode 14 - The Battlers' Presentation
    7.4/10(204 votes)
    S1:E14

    Sullivan is apprehended by the Demon Border Patrol on suspicions of unlawfully entering the human world. He still hopes to somehow make it to the Battler Party to see his precious Iruma-kun... Meanwhile, Iruma had no idea what was going on with Sullivan and was preparing for his presentation for the Battler Party. After going through several ideas, they decide to create things called fireworks that are supposedly from the human world and they spend the night at school to create them. And so, began the fun sleepover for the MagiApp Battler kids.

    Director:Unknown
    Writer:Unknown

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  13. Welcome to Demon School! Iruma-kun Season 1 Episode 16 - Party Eve
    7.4/10(192 votes)
    S1:E16

    Kiriwo’s dream: To make a world where all demons would be equal, even if they didn’t have that much magical powers. Iruma completely agreed with this statement, so he proposed they shoot for the grand prize at the Battler Party. If they’re able to get the grand prize, everyone, including high-ranking demons, would see how hard Kiriwo and the Magical Apparatus Battler worked. All the Battlers are getting their presentations ready for the Battler Party on the day of the Party Eve. But suddenly, the fireworks shell that Iruma and others prepared suddenly goes missing...

    Director:Unknown
    Writer:Unknown

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  14. Welcome to Demon School! Iruma-kun Season 1 Episode 21 - Dem-dol Kuromu-chan!
    7.4/10(189 votes)
    S1:E21

    One of the most popular idols in the netherworld, Kuromu-chan, holds an all-day concert at the Makubari Dome. Dem-dols have the important job of helping demons release the stress and evil desires they feel during their Evil Cycle. Kuromu was considered a shining new star in the field, and her tickets would usually sell out in one day. But she actually had a secret that she couldn’t tell anyone... Iruma just happened to be lucky enough to get tickets for her concert and takes Asmodeus and Clara with him!

    Director:Unknown
    Writer:Unknown

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  15. Welcome to Demon School! Iruma-kun Season 4 Episode 11 - Best Friend Meeting / Lead's Flirting Meeting
    7.4/10(171 votes)
    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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  16. Welcome to Demon School! Iruma-kun Season 3 Episode 2 - Master Bachiko
    7.4/10(169 votes)
    S3:E2

    Iruma and Lead end up being trained by Robin's relative, Barbatos Bachiko. Bachiko is very skilled and was personally asked by Sullivan to assist Robin with tutoring the kids. They were supposed to have a rather hard training schedule... but all Bachiko asks them to do is random errands. Lead has had enough of that and goes back to Robin. Iruma is left frustrated and alone. He learns that Asmodeus and Clara have been training and decides to take matters into his own hands!

    Director:Unknown
    Writer:Unknown

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  17. Welcome to Demon School! Iruma-kun Season 2 Episode 19 - Clara's House
    7.4/10(163 votes)
    S2:E19

    Iruma couldn't get home after being named the hero who saved Walter Park and being hounded by the press, which leads to him and Asmodeus spending the night at Clara's house. Clara's house is located in Hubbub Forest, which is also home to various strange plants and creatures. Clara's family welcomes them with open arms and then they all go into the forest to find some ingredients for their meal. According to Mommy, the ultimate ingredient resides in Hubbub Forest...

    Director:Unknown
    Writer:Unknown

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  18. Welcome to Demon School! Iruma-kun Season 3 Episode 4 - The Signal That the Harvest Festival Has Begun
    7.4/10(160 votes)
    S3:E4

    The final battle for the Babyls first-years, the Harvest Festival, finally begins. It is a rank-advancement exam in the form of a survival game that takes place over four days. They must hunt the various magical beasts and plants that exist in the jungle for points, and the one who comes out with the most points wins. The Misfit Class just finished some rigorous training, and they end up back in the groups they ended up training with, butting heads with everyone else. Onward to the jungle filled with dangerous magical beasts!

    Director:Unknown
    Writer:Unknown

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  19. Welcome to Demon School! Iruma-kun Season 3 Episode 20 - Bad Company / Heartfelt Cooking Class
    7.4/10(156 votes)
    S3:E20

    Iruma goes over to Lead's house after getting a brand new gaming console. While they're playing games, Lead's older sister Shakky suddenly bursts into Lead's room, and she seems to be in a really bad mood... Ameri and Iruma end up making homemade cookies together. But apparently, neither one of them has ever cooked something properly in their lives. They are an absolute mess in the kitchen and even Opera seems to have some trouble dealing with them...

    Director:Unknown
    Writer:Unknown

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  20. Welcome to Demon School! Iruma-kun Season 3 Episode 19 - The Instructors' Banquet
    7.4/10(154 votes)
    S3:E19

    The night that the Harvest Festival ended, the instructors of Babyls got together at a pub to celebrate. Kalego usually never goes to these outings, but Balam catches him and forces him to go. Robin is getting ahead of himself as usual and the group even talks about Kalego's days as a newbie instructor. What is the most important thing about being an instructor at Babyls? We also get to see what happened to Ocho after he escaped into the jungle after the Harvest Festival.

    Director:Unknown
    Writer:Unknown

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  21. Welcome to Demon School! Iruma-kun Season 4 Episode 19 - The Dem-dol Games
    7.4/10(153 votes)
    S4:E19

    The Dem-dols Games begins.

    Director:Unknown
    Writer:Unknown

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  22. 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...
    7.4/10(138 votes)
    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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  23. Welcome to Demon School! Iruma-kun Season 4 Episode 16 - A Misfit Casual Gathering / Netherworld Devotee
    7.4/10(130 votes)
    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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  24. Welcome to Demon School! Iruma-kun Season 4 Episode 2 - A Challenge to the Thirteen
    7.5/10(207 votes)
    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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  25. Welcome to Demon School! Iruma-kun Season 1 Episode 13 - The Magical Apparatus Battler
    7.5/10(205 votes)
    S1:E13

    Iruma runs into his senior Amy Kiriwo in front of the Magical Apparatus Battler again. The Magical Apparatus Battler room is filled with all kinds of strange gadgets. There, Iruma hears about Kiriwo’s dreams. Babyls is about to hold their annual Battler Party where all the new students get to promote the Battler they joined. Sullivan looks forward to seeing Iruma-kun but while he’s at the Thirteens’ Dinner...

    Director:Unknown
    Writer:Unknown

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  26. Welcome to Demon School! Iruma-kun Season 1 Episode 17 - Run, Iruma, to Kiriwo!
    7.5/10(191 votes)
    S1:E17

    Suddenly, all of Babyls is surrounded by invisible walls! On top of that, they are unable to get a hold of the outside and there are invisible walls that popped up all over the school. Amidst all the chaos, Kalego and the other teachers have the students take shelter in the central plaza. Since Kiriwo is missing, Iruma decides to go look for him with the help of Asmodeus and Clara. Will Iruma be able to find Kiriwo?

    Director:Unknown
    Writer:Unknown

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Worst Episodes Summary

"Clara's Toy Box / A Night Filled With Screams" is the worst rated episode of Welcome to Demon School! Iruma-kun. It scored 6.8/10 from 172 votes. Written and directed by Unknown, it aired on November 19, 2022. This episode scored 0.3 points lower than the second lowest rated, "The Iruma I Know".

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