Jimmy Kudo was a normal high school student with great soccer skills. He was also an ace detective. But after digging too deep into something that wasn't his business, he was knocked out by 2 men in black coats and poisened, left for dead. It seems when he woke up he wasnt dead, but in the body of an 8 year old! Now he lives with the person he loves, Rachel Moore, and her father, Richard Moore. Conan (Jimmy's new name as a child) helps Richard solve cases with the help of his devices made by Dr Agasa. Now he searches for a way to become normal sized again and find the people that did this to him.

Opening Themes:

#1: The Pounding in my Chest (Episodes 1-53)
#2: Mystery (Episodes 55-102)

Ending Themes:

#1: Step by Step (Episodes 1-52)
#2: Romance of Light and Shadow (Episodes 53-72)
#3: These Summer Days without You (Episodes 73-85)