|This article is about a/an episode in Himitsu Sentai Gorenger.|
Blue Shadow, Variblune Secret Strategy (青い影法師 バリブルーン秘密戦略 Aoi Kagebōshi Bariburūn Himitsu Senryaku) is the ninth episode of Himitsu Sentai Goranger.
When EAGLE's new freeze beam and Ooiwa are captured by a Masked Monster, Shinmei must figure a way to save his mission partner and their squad's weapon.
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- Tsuyoshi Kaijo (海城 剛 Kaijō Tsuyoshi): Naoya Makoto (誠 直也 Makoto Naoya)
- Akira Shinmei (新命 明 Shinmei Akira): Hiroshi Miyauchi (宮内 洋 Miyauchi Hiroshi)
- Daita Ooiwa (大岩 大太 Ōiwa Daita): Baku Hatakeyama (畠山 麦 Hatakeyama Baku)
- Peggy Matsuyama (ペギー 松山 Pegī Matsuyama): Lisa Komaki (小牧りさ Komaki Risa)
- Kenji Asuka (明日香 健二 Asuka Kenji): Yukio Itō (伊藤幸雄 Itō Yukio)
- Commander Kenpachi Edogawa (江戸川 権八 Edogawa Gonpachi, Voice): Toshio Takahara (高原駿雄 Takahara Toshio)
- Yoko Kato (加藤 陽子 Katō Yōko)/Zero Zero Seven: Eri Kanuma (鹿沼絵里 Kanuma Eri)
- Narrator - Nobuo Tanaka (田中 信夫 Tanaka Nobuo)
- Akarenger - Kazuo Niibori (新堀 和男 Niibori Kazuo)
- Aorenger - Hiroo Kawarazaki (河原崎 洋夫 Kawarazaki Hiroo)
- Kirenger - Nobuyuki Ishizuka (石塚 信之 Ishizuka Nobuyuki)
- Momorenger - Midori Naito (内藤 みどり Naitō Midori)
- Midorenger - Bunya Nakamura (中村 文弥 Nakamura Bunya)
- This episode aired on NET the same day episode 10 of Kamen Rider Stronger, The Frightful Gummer Bug! It Targets Humans!!, aired on TBS.
- First Sentai episode directed by Itaru Orita, who had directed several Kamen Rider episodes and would become the main producer of Battle Fever J and every Metal Heroes series from Uchuu Keiji Gavan to Kidou Keiji Jiban.
- This episode debuts a cosmetic change to the Goranger Storm finisher, which up to this point appeared as a simple silver ball that was passed amongst the team before being kicked by Akarenger. From this episode, Momorenger would produce a ball that initally appears pink; this ball changes color as it goes to the different team members before becoming a red spiked ball for Akarenger's attack.
Himitsu Sentai Gorenger Volume 2 features episodes 7-12: Ep. 7: Pink Moonlight! Wolf Corps, Ep. 8: Black Fear! The Murderous Poison Fang, Ep. 9: Blue Shadow, Variblune Secret Strategy, Ep. 10: The Red Balloon! Wind Speed at 100 Meters, Ep. 11: Green Shudder! The Escape From Ear Hell, and Ep. 12: Super Energy of Silver! Burning Hell. 
Blu-ray Box 1 comes with 16 episodes.