Shin'ichi Kudou is a high-school student who is famous for helping the police solve crimes. His almost girlfriend, Ran Mouri, is the captain of the karate club. Ran's father, Kogoro Mouri, is a detective and blames Shin'ichi for his lack of business. One night while Shin'ichi follows someone suspicious in the amusement park Tropical Land, he is given poison by a man in black which was supposed to kill him, but instead shrinks him to the of a six year old. Under the suggestion of Professor Agasa, he keeps his identity a secret from everyone until he can change back, going under the name Conan Edogawa based from mystery writers Sir Arthur Conan Doyle, and Ranpo Edogawa.
'There is only one truth!' ('Shinjitsu wa itsumo hitotsu!' ) Opening Themes: 1) 'Mune ga dokidoki' by The High-Lows (eps. 1-30) 2) 'Feel Your Heart' by Velvet Garden (eps. 31-52) 3) 'Nazo' by Miho Komatsu (eps. 53-96) 4) 'Unmei no Roulette o mawash*ite by ZARD (eps. 97-123) 5) 'Truth ~A Great Detective in Love~' by TWO-MIX (eps.