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The Grandma Way of Taste (おばあちゃん味の道, Obaachan Aji no Michi) is the seventeenth episode of Kamen Rider Decade. It is the concluding part of the World of Kabuto arc.
Synopsis[]
to be added
Plot[]
Believing that TheBee's user is her brother, Mayu attempts to look for him with Natsumi's aid until they are attacked by a Worm. Counting on Kamen Rider Kabuto to save them, Diend fights him to acquire his Clock Up system, summoning Ixa and Psyga to hold him down before Kabuto defeats them and runs off. By the time Tsukasa finds Natsumi and Mayu, the latter is shocked that she became a Worm as she runs off.
She runs into Sou who reveals himself as the Phylloxera Worm and brings her to ZECT HQ as part of the Kabuto Capture plan, much to Arata's dismay before he is beaten to a bloody pulp questioning the plan. After escaping, Arata makes his way to Tsukasa and reveals the plan to him, confirming Tsukasa's notion. Kabuto falls for the trap as the Clock Down takes effect while the Worms reveal themselves among the ZECTroopers, with Sou exposing Kabuto as Mayu's real brother Sohji.
Tsukasa arrives and reveals the truth behind the Phylloxera Worm to Mayu while explaining that Sohji and Mayu are still family regardless of the latter being a Worm. But believing he has the advantage, the Phylloxera Worm sics his Worm minions on Tsukasa. Sohji frees Mayu and joins Tsukasa as they assume their Rider forms to finish off the Worm (Chrysalis) before forcing the Phylloxera Worm into the open. Decade and Kabuto finish him off, but the tower projecting the Clock Down waves is destroyed in the process, forcing Sohji to fade back into Clock Up space with Mayu watching. After taking Mayu home and giving Daiki a "treasure" for his trouble, Tsukasa and company begin the final phase of their journey. But as they deal with two Kiva-las fighting over which of them is fake, the real Kiva-la is with Narutaki as he decides to personally deal with Decade in the final world, the World of Hibiki.
Cast[]
- Tsukasa Kadoya (門矢 士, Kadoya Tsukasa): Masahiro Inoue (井上 正大, Inoue Masahiro)
- Daiki Kaito (海東 大樹, Kaitō Daiki): Kimito Totani (戸谷 公人, Totani Kimito)
- Yusuke Onodera (小野寺 ユウスケ, Onodera Yūsuke): Ryouta Murai (村井 良大, Murai Ryōta)
- Natsumi Hikari (光 夏海, Hikari Natsumi): Kanna Mori (森 カンナ, Mori Kanna)
- Eijiro Hikari (光 栄次郎, Hikari Eijirō): Renji Ishibashi (石橋 蓮司, Ishibashi Renji)
- Narutaki (鳴滝 ): Tatsuhito Okuda (奥田 達士, Okuda Tatsuhito)
- Kiva-la (キバーラ, Kibāra, Voice): Miyuki Sawashiro (沢城 みゆき, Sawashiro Miyuki)
- Decadriver Voice, Diendriver Voice (ディケイドライバー音声、ディエンドライバー音声, Dikeidoraibā Onsei, Diendoraibā Onsei): Mark Okita (マーク・大喜多, Māku Ōkita)
- Narration (ナレーション, Narēshon): Eiichiro Suzuki (鈴木 英一郎, Suzuki Eiichirō)
Guest stars[]
- Sohji, Soh Otogiri (ソウジ、弟切 ソウ, Sōji, Otogiri Sō): Daijiro Kawaoka (川岡 大次郎, Kawaoka Daijirō)
- Phylloxera Worm (フィロキセラワーム, Firokisera Wāmu, Voice): Kenichi Mochizuki (望月 健一, Mochizuki Ken'ichi)
- Arata (アラタ, Arata): Tetsuya Makita (牧田 哲也, Makita Tetsuya)
- Grandma (おばあちゃん, Obaachan): Sumie Sasaki (佐々木 すみ江, Sasaki Sumie)
- Mayu (マユ, Mayu): Rio Kanno (菅野 莉央, Kanno Rio)
- TV Announcer: Yuki Maeda (前田 有紀, Maeda Yuki)
Suit actors[]
- Kamen Rider Decade: Seiji Takaiwa (高岩 成二, Takaiwa Seiji)
- Kamen Rider Diend: Eitoku (永徳 )
- Kamen Rider Kabuto, Kamen Rider TheBee: Jun Watanabe (渡辺 淳, Watanabe Jun)
- Kamen Rider Kabuto: Hirofumi Fukuzawa (福沢 博文, Fukuzawa Hirofumi)
Rider Cards[]
- Card Used:
- Kamen Rider Decade:
- Kamen Ride: Decade
- Attack Ride: Illusion
- Form Ride: N/A
- Final Form Ride: Zecter Kabuto
- Final Attack Ride: Kabuto
- Forms:
- Decade
- Kamen Rider Diend
- Kamen Ride: Diend, Ixa, Psyga
- Attack Ride: N/A
- Final Form Ride: N/A
- Final Attack Ride: N/A
- Kamen Rider Decade:
Errors[]
to be added
Appearing monsters[]
Notes[]

Nine Worlds #9: Hibiki
- As part of Super Hero Time, this episode aired alongside Samurai Sentai Shinkenger
episode 14, Act 14: The Foreign Samurai
.
- Viewership: 8.6%
- Decade regains Kabuto's power.
- In Kamen Rider Ixa's dashboard, you'll see a text reading "RETURN IT TO THE LIFE AND THE GOD", referencing Keisuke Nago's usual catchphrase, "Please, return that life to God!", which is also said upon being summoned by Diend.
- When Psyga is summoned, he says "It's Showtime!" in a fluent English. This catchphrase heralds to that of Kamen Rider Wizard in a slight variation.
- His voice is provided by another actor rather than using Peter Ho to reprise his role.
- Kamen Rider Drive's Go Shijima would also say this in fluent English when he first transformed into Kamen Rider Mach for the first time in his debut episode.
DVD releases[]

Kamen Rider Decade Volume 4, DVD cover
Kamen Rider Decade Volume 4 features episodes 14-17: Super Den-O Beginning, Here Comes Super Momotaros!, Warning: Kabuto Running Amok and The Grandma Way of Taste. [1]

Kamen Rider Decade Box, Blu-ray cover
Blu-ray Box comes with all 31 episodes.