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One of the interesting things about the 2014 Aikatsu! Episode “Halloween Night Party”  is how it showed that the holiday was relatively new in Japan. Characters repeatedly translate the English “trick or treat” into a Japanese explanatory sentence as if to hammer home the concept. The first few seasons of Aikatsu! didn’t even have Halloween episodes. But it’s been five years since then, and while it hasn’t been a straight line, the concept of “Halloween” is integrated into Aikatsu! pretty thoroughly. At the same time, the degree to which they embrace Halloween varies significantly, as if it’s unclear from year to year how much they should push for Halloween.

2015’s “YOU! GO! KYOTO!” perhaps barely qualifies as a Halloween episode. Instead, the focus is on a trip in Kansai, where the main trio gets together with Hattori Yuu, a friend of Akari’s who’s made a name for herself as a “tour guide idol” of sorts. The girls help her out with a Halloween special, and they do a themed performance as a follow-up. The lack of “trick or treat” is noticeable.

2016’s “Halloween Magic” returns to the Halloween episode format from 2014, albeit with an entirely different cast of characters in Aikatsu Stars! Not only do they bring back explaining what “trick or treat” means, but they even include a special competition just like in “Halloween Night Party.” This episode stands out to me more than any of the others simply because of Rola’s taiyaki outfit, seen above. Taking a relatively serious character and having her go around in the most ridiculous getup without even batting an eye speaks to her character having a certain charming roundedness. I have to wonder if maybe the concept of Halloween needs to be introduced again for newer, younger viewers coming in. Also, while “Halloween Night Party” made a reference to Michael Jackson’s “Thriller,” “Halloween Magic” has one of the characters moonwalk while doing MJ-style “Whoo!”s, as if to say that the King of Pop is as much a part of Halloween as pumpkins and candy.

2017’s “Halloween Surprise” from Aikatsu Stars! places extra emphasis on the “trick” in “trick or treat,” albeit without actually using the words. The second half of this particular series involves a rivalry with another idol school, so the idea of competing takes on a new dimension in this Halloween episode compared to previous ones. Here, participants lose when their heart rate goes over a certain level, so the two sides have to try and scare or surprise one another. It’s kind of a twist on the original formula, and it does a decent job of acting as the stage for a bit of character growth on the character Koharu’s part. There’s a greater emphasis on using Halloween as an opportunity for pushing storylines compared to previous years. Also, for some reason, they reuse the costumes from the previous year. Could it be out of convenience (they already have the character designs laid out), or perhaps the costumes were just that popular?

2018’s “Aine’s Halloween Panic” from Aikatsu Friends! Incorporates Halloween into the show pretty thoroughly without drawing a ton of attention to it. Aine, the most recent heroine, has split off from her Aikatsu partner Mio so that they can train separately and come back stronger than ever. For this purpose, she plays the part in a TV special of a girl who discovers her senpai is a witch. The magical focus is the clear tie to Halloween, but once again there’s no “trick or treat.” In fact, there’s only one trick, as Mirai (seen above) tries to scare a couple characters during the episode. They treat Halloween as the most natural thing—is it a sign that it’s approaching Christmas in terms of cultural integration in Japan?

Looking at all these episodes, a couple things stick out to me.

First, it really is a shame that Yurika, the vampire-inspired idol from the first series, didn’t get any Halloween episodes when she was a more common character due to the relative lack of exposure for the holiday.

Second, the notion of “trick or treat” as a package deal seems to ebb and flow, but its constituent parts, i.e. pranks and candy, remain. One thing worth pointing out is that the tradition of going door to door to trick or treat never took hold in Japan, so maybe it’s no surprise that it would end up as something less codified. That being said, I’m aware that even in the US, trick or treat (especially in big cities) is more organized these days for safety purposes.

So what remains is the aesthetics of Halloween, costumes and all, with a cultural twist. That includes a taiyaki costume, and there’s even one girl in Aikatsu Friends! who dresses as a jiangshi (Chinese hopping ghost popular in Japan). Also, I guess Michael Jackson is part of that aesthetic as well.

Given that the pattern for Aikatsu! Halloween episodes exists, but that each year puts its own spin on the idea, I’m curious to see what direction this year’s takes. Because 2018’s Aikatsu Friends episode took a less upfront approach, could this one be more in the classic style? And with the new giant crossover series Aikatsu On Parade! on its way in 2020, Halloween Idol Activities might very well combine the styles of all previous shows.