The Old Blue Castle Investigation Case

Katsuo Tabata
	41 years old; Mamiya family gardener;

Wristwatch Flashlight
	Agasa added the flashlight function to Conan's watch.;

	Episode 136-137 ; (Int. Episode {{{int-episode}}})
	Information
Title:	The Old Blue Castle Investigation Case
Original airdate:	February 22, 1999 (Part 1) ; March 1, 1999 (Part 2) ; February 13, 2010 (Part 1, Remastered version) ; February 20, 2010 (Part 2, Remastered version)
Season:	6
	Case
Cast:	Conan Edogawa ; Ai Haibara ; Dr. Agasa
Case solved by:	Ai Haibara

Chronology
‹ The Disappearing Weapon Case	List of Episodes	The Final Screening Murder Case ›

Gadgets introduced

Mitsuru Mamiya
	49 years old Husband of the eldest Mamiya daughter (Married into the family)

Takahito Mamiya
	25 years old Son of the eldest Mamiya daughter

Masuyo Mamiya
	83 years old Head of the Mamiya family

A remastered version of both episodes aired on February 13th and 20th, 2010.

Episode 136-137 (Int. Episode {{{int-episode}}})

Information
Title:	The Old Blue Castle Investigation Case
Original airdate:	February 22, 1999 (Part 1) March 1, 1999 (Part 2) February 13, 2010 (Part 1, Remastered version) February 20, 2010 (Part 2, Remastered version)
Season:	6
Case
Cast:	Conan Edogawa Ai Haibara Dr. Agasa
Case solved by:	Ai Haibara