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The Yo-kai Watch Shadowside (Japanese: 妖怪ウォッチシャドウサイド Yōkai Wotchi Shadōsaido) anime was an animated Japanese horror-action-comedy series, and serves as the successor of the original Yo-kai Watch animated series. It premiered on April 13, 2018, two weeks after the finale of the original anime, and ended on March 29, 2019, lasting 49 episodes in its only season. It was succeeded with Yo-kai Watch!, one week after Shadowside ended.

The series was set after the events of M04 (which in turn, is set thirty years after the original series), and includes new characters like Natsume and Keisuke, the children of Nathan Adams & Katie Forester.


The Yo-kai Watch Shadowside anime is set thirty years after the original anime series, and takes place shortly after the events of The Return of the Oni King. The series focuses on the main characters of the movie, who are known as Natsume, Touma and Akinori, who solve mysterious Yo-kai related incidents together.

In addition to them, Natsume's younger brother, Keisuke, who only played a minor role in the movie, joins the main cast of the series, being it's fourth major protagonist. He resembles young Nate.

Compared to the original series, Shadowside is a lot more plot-driven and serious in tone, while it still retains the sense of humor, and aims to cause widespread appeal across all age groups. The episodes are also all singular 22-minute episodes, compared to having one-to-four segments in the episode runtime.

International Adaptations

Korean Dub

The series' Korean dub began running on Tooniverse on April 23, 2019, with a TV airing of M04 the week before on April 16. Like the original series' dub, obscene content & scenes as well as certain depictions of Japanese culture are removed, however they aren't as strict as the series is now rated for an older audience (the original being rated 7, while this series is rated 12).

For example, SS004 is cut due to the inappropriate appearance of Zundoumaru's Lightside design, and scenes with him in later episodes such as SS010 are cut as well.

Official English Sub

It was announced in Fall 2018 that Animax Asia had picked up the rights to the Shadowside series, alongside later episodes of the original anime. Following the run of the episodes EP170-214 from April to June, Shadowside premiered on the network on June 26, 2019.

Both the original series' episodes and Shadowside are aired in their original Japanese format, with subtitles in English as well as several other languages, and the original names of the characters are kept intact in the process.

Animax Taiwan additionally airs the series with a Mandarin dub.


Main Article: List of Yo-kai Watch Shadowside episodes


No. Image Title Release date
Yo-Kai Wtch Movie 4 Poster
Yo-kai Watch Shadowside: The Return of the Oni King (Japanese: 映画 妖怪ウォッチ シャドウサイド 鬼王の復活 Eiga Yōkai Wotchi: Shadousaido Oni-ō no Fukkatsu) December 16, 2017
July 4, 2018 (DVD)

December 7, 2018 (TV)

M05 YWM05Poster Yo-kai Watch: Forever Friends (Japanese映画 妖怪ウォッチ FOREVER FRIENDS(フォーエバーフレンズ)Eiga Yōkai Wotchi Fooebaa Furenzu) December 14, 2018

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