Detective Conan: Quarter of Silence
One day before the opening of Touto Line, a new train line for the Tokyo Metro, Yuichiro Asakura, the Governor of Tokyo, receives a threatening letter from an unknown sender. Conan Edogawa and the Detective Boys are driven by Professor Agasa through the Touto Line as part of the line's official opening ceremonies. As soon as Conan learns of the threatening letter, he immediately finds explosives attached to the Touto railway; by using his original voice to tell the authorities as Shinichi Kudo, he is able to stop the train and reroute traffic away from the explosives, preventing any fatalities.