The Big Investigation of the Nine Doors

Chronology
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Episode 182 (Int. Episode {{{int-episode}}})
Information
Title:	The Big Investigation of the Nine Doors
Japanese title:	大捜索9つのドア (Daisōsaku no Kokonotsu no Doa)
Original airdate:	February 28, 2000
Season:	7
Manga source:	TV Original
Case
Cast:	Conan Edogawa Detective Boys Ai Haibara
Case solved by:	Conan Edogawa Detective Boys
Next Conan's Hint:	Dustpan
Staff
Director:	Yasuichiro Yamamoto Kenji Kodama
Screenplay:	Kazunari Kouchi
Storyboard:	Michiyo Sakurai
Episode director:	Nana Harada
Animation director:	Izumi Shimura
Voice Cast: Minami Takayama as Conan Edogawa Megumi Hayashibara as Ai Haibara Yukiko Iwai as Ayumi Yoshida Ikue Otani as Mitsuhiko Tsuburaya Wataru Takagi as Genta Kojima, Next Conan's Hint Isshin Chiba as Policeman A Takayuki Inoue as Policeman B
Music
Opening song:	Mysterious Eyes
Closing song:	Secret of my heart

Cast

Characters
Conan Edogawa Ayumi Yoshida Mitsuhiko Tsuburaya Genta Kojima Ai Haibara

Gadgets

Gadgets
Stun-Gun Wristwatch

Case

Situation

The Detective Boys are walking home one day when they discover two s shaped hooks and a ring with the initials M to A, a wedding ring. They decide to investigate seeing it as an S.O.S.

Kidnapping
	Location: Mansion Victim: Misato Uehara Suspects: People in the room that end with 5 Misato Uehara send SOS message for someone to rescue her! It's up to the Detective Boys or it'll be too late!

People

Yukue Hasegawa
	Woman on the 6th floor

Woman
	Woman on the 7th floor

Misato Uehara
	Victim (kidnapped)

Masakazu Shima
	Man on the 3rd floor

Asuka Shima
	Woman on the 3rd floor

Policeman #1
	Police officer

Policeman #2
	Police officer

Fumiko Ishida
	Woman on the 7th floor

Fumiko's mother
	Fumiko's mom

Yuuta Ishida
	Fumiko's son

Resolution

  Show spoilers »

The true culprit is Yukue Hasegawa aka the woman that open the door of room 605. The letter on the ring is actually "M to A", from Misato to Akihiko which mean she is the fake Misato. Yukue attempt to drug conan but is put to sleep. Conan then rescues the real Misato.

Yukue's motive is revealed that she come to kill Akihiko that fired her because she scamed huge amount of money from company but meet Misato instead so she intend to use her as hostage. Conan is also punished for "steal the scene" by the rest(include Haibara) and has to carry everybody bags home by himself.

BGM listing

#	Song Title	Romaji	Translation	OST
1	Mysterious Eyes	Mysterious Eyes	Mysterious Eyes	Mysterious Eyes
2	のんびり気分	Nonbiri Kibun	Carefree Feeling	Detective Conan Original Soundtrack 1
3	小さな巨人	Chiisana Kyojin	A Small Great Person	Detective Conan Original Soundtrack 1
4	少年探偵団のテーマ （摩天楼ヴァージョン）	Shōnen Tanteidan no Tēma (Mantenrō Vājon)	The Detective Boys' Theme (Skyscraper Version)	Detective Conan "The Time-Bombed Skyscraper" Original Soundtrack
5	犯人のアジト	Hannin no Ajito	The Culprit's Hideout	Detective Conan Original Soundtrack 1
6	阿笠博士のテーマ	Agasa Hakase no Tēma	Professor Agasa's Theme	Detective Conan Original Soundtrack 1
7	犯人のアジト （いよいよver.）	Hannin no Ajito (Iyoiyo ver.)	The Culprit's Hideout (More and More ver.)	Detective Conan Original Soundtrack 2
8	西の名探偵 （摩天楼ヴァージョン）	Nishi no Meitantei (Mantenrō Vājon)	The Great Detective of the West (Skyscraper Version)	Detective Conan "The Time-Bombed Skyscraper" Original Soundtrack
9	犯人からの電話	Hannin Kara no Denwa	Phone Call From the Culprit	Detective Conan "The Time-Bombed Skyscraper" Original Soundtrack
10	怪人包帯男２	Kaijin Hōtai Otoko 2	The Mysterious Bandaged Man 2	Detective Conan Original Soundtrack 3
11	恋のトランプゲーム占い	Koi no Toranpu Gēmu Uranai	Love's Fortune-Telling Card Game	Detective Conan "The Fourteenth Target" Original Soundtrack
12	真相究明	Shinsō Kyūmei	Investigating the Truth	Detective Conan "The Fourteenth Target" Original Soundtrack
13	事件現場 （オリジナルver.）	Jiken Genba (Orijinaru ver.)	Scene of the Case (Original ver.)	Detective Conan Original Soundtrack 2
14	犯人からの電話	Hannin Kara no Denwa	Phone Call From the Culprit	Detective Conan "The Time-Bombed Skyscraper" Original Soundtrack
15	忍び寄る危機	Shinobiyoru Kiki	Incoming Crisis	Detective Conan "The Time-Bombed Skyscraper" Original Soundtrack
16	「名探偵コナン」メイン・テーマ （予告）	"Meitantei Konan" Mein・Tēma (Yokoku)	"Detective Conan" Main Theme (Preview)	Detective Conan Original Soundtrack 2
17	Secret of my heart	Secret of my heart	Secret of my heart	Secret of my heart
18	蘭のテーマ	Ran no Tēma	Ran's Theme	Detective Conan Original Soundtrack 1

See also

• Season 7