RIDER TIME: Kamen Rider Zi-O VS Decade

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***RIDER TIME: Kamen Rider Zi-O VS Decade*** (RIDER TIME 仮面ライダージオウVSディケイド, *Raidā Taimu Kamen Raidā Jiō Tai Dikeido*) is the 4th part of *Kamen Rider Zi-O Spin-off: RIDER TIME*. It aired for 3 episodes at TELASA from February 9 to February 21, 2021.

## Characters

### Kamen Riders

* Kamen Rider Zi-O - Sougo Tokiwa
* Kamen Rider Decade - Tsukasa Kadoya
* Kamen Rider Geiz - Geiz Myokoin
* Kamen Rider Tsukuyomi - Tsukuyomi

#### The Zi-Os

* Kamen Rider Zi-O - Sougo B
* Kamen Rider Zi-O - Sougo C
* Kamen Rider Zi-O - Sougo D
* Kamen Rider Zi-O - Sougo E
* Kamen Rider Zi-O - Sougo F

### Allies

* Woz
* Heure
* Ora
* Misa Kuon
* Goro Yamada

### Villains

* Kamen Rider Ohma Zi-O - True Sougo
* Elementary Inves

## Episodes

1. "chapter1: The Drifting School"
2. "chapter2: The Eve of the War"
3. "Final chapter: The Last Sougo"

## Cast

### Main cast

* Sougo Tokiwa (常磐ソウゴ, *Tokiwa Sōgo*): So Okuno (奥野 壮, *Okuno Sō*)
* Geiz Myokoin (明光院ゲイツ, *Myōkōin Geitsu*): Gaku Oshida (押田岳, *Oshida Gaku*)
* Tsukuyomi (ツクヨミ, *Tsukuyomi*): Shieri Ohata (大幡しえり, *Ōhata Shieri*)
* Woz (ウォズ, *Wozu*): Keisuke Watanabe (渡邊圭祐, *Watanabe Keisuke*)
* Misa Kuon (久遠ミサ, *Kuon Misa*): Rena Takeda (武田玲奈, *Takeda Rena*)
* Heure (ウール, *Ūru*): Rihito Itagaki (板垣李光人, *Itagaki Rihito*)
* Ora (オーラ, *Ōra*): Ayaka Konno (紺野彩夏, *Konno Ayaka*)
* Swartz (スウォルツ, *Suworutsu*): Kentaro Kanesaki (兼崎健太郎, *Kanesaki Kentarō*)
* Tsukasa Kadoya (門矢 士, *Kadoya Tsukasa*): Masahiro Inoue (井上正大, *Inoue Masahiro*)
* Goro Yamada (山田ゴロウ, *Yamada Gorō*): Hosaki Tanaka (田中穂先, *Tanaka Hosaki*)
* Boy: Shunta Ito (伊藤駿太, *Itō Shunta*)

### Voice cast

* Ohma Zi-O (オーマジオウ, *Ōma Jiō*): Rikiya Koyama (小山力也, *Koyama Rikiya*)

### Suit actors

* Kamen Rider Zi-O: Kazuya Okada (岡田和也, *Okada Kazuya*)
* Kamen Rider Geiz: Daiki Suzuki (鈴木大樹, *Suzuki Daiki*)
* Kamen Rider Decade: Hirokazu Iwakami (岩上弘数, *Iwakami Hirokazu*)
* Kamen Rider Tsukuyomi: Natsumi Sano (佐野夏未, *Sano Natsumi*)
* Kamen Rider Kuuga: Ryohei Sakai (坂井良平, *Sakai Ryōhei*)
* Kamen Rider Diend: Kai Nakayama (中山甲斐, *Nakayama Kai*)
* Kamen Rider Kiva-la: Hokka Takasaki (高嵜百花, *Takasaki Hokka*)
* Another Ryuki: Daisuke Sato (佐藤太輔, *Satō Daisuke*)

## Staff

* Original: Shotaro Ishinomori
* Screenplay: Toshiki Inoue
* Director: Satoshi Morota

## Music

### Theme song

* "INSIDE-OUT ZI-O ver." by Sougo Tokiwa (CV: So Okuno) & Tsukasa Kadoya (CV: Masahiro Inoue)
	+ Lyrics: Shoko Fujibayashi
	+ Composition & Arrangement: Shuhei Naruse
	+ Theme Song Produce: avex trax

### Soundtrack

*Main articles: Kamen Rider Zi-O: "Ohma Advent Calendar"-type CD Box Set and MASKED RIDER DECADE: COMPLETE CD-BOX*
## Production

On October 31, 2020, TELASA announced that they will be collaborating with TTFC for a new project, releasing a teaser with a masked man. More details would come out on December 20, 2020.

On December 20, 2020, following the airing of *an episode of Kamen Rider Blades* at TTFC, *RIDER TIME: Kamen Rider Zi-O VS Decade* and *RIDER TIME: Kamen Rider Decade VS Zi-O* were announced to air for 3 episodes each, starting from February 9, 2021. The first would air at TTFC, while the second would air at TELASA. To commemorate the release, the first 9 episodes of *Zi-O* and the first 16 episodes of *Decade* started streaming at TTFC for a limited time from March 31, 2021.

Both series premiered on February 9, 2021.

## Home media

The web series was released on both DVD and Blu-ray on September 8, 2021.

DVD coverCollector's Pack Blu-ray cover
## Notes

* The series is subtitled ***7 Zi-O!*** (7人のジオウ！, *Shichinin no Jiō!*).
* The web series marks:
	+ the only appearances of Goro Yamada and Sougo B, C, D, E, and F.
	+ the last appearances of Heure, Ora, Swartz, Misa Kuon.
	+ the deaths of Heure, True Sougo, and Tsukasa Kadoya.
* Woz does not transform into Kamen Rider Woz for the entire series.

## External links

* Official website
* Official website - TV Asahi
* Official Twitter account

## See also

* *Kamen Rider Zi-O Spin-off: RIDER TIME* - *Kamen Rider Zi-O* spin-off series
	+ *RIDER TIME: Kamen Rider Shinobi* - First part
	+ *RIDER TIME: Kamen Rider Ryuki* - Second part
	+ *RIDER TIME: Kamen Rider Decade VS Zi-O* - Third part

## References

1. ↑ https://twitter.com/telasa\_jp/status/1322381530875002887
2. ↑ https://www.kamen-rider-official.com/news\_articles/1017
3. ↑ https://www.kamen-rider-official.com/news\_articles/1018
4. ↑ https://www.toei-video.co.jp/special/zi-o/