It seems you are referring to the (金田一少年の事件簿, Kindaichi Shōnen no Jikenbo ), a long-running Japanese manga and anime series. The phrase "Kindaichi episodes" typically points to the individual story arcs or “cases” that the teenage detective Kindaichi Hajime solves.
Known as the Kindaichi Neo era (2014).
The "Kindaichi" series, also known as "The Kindaichi Case Files" or "Kindaichi Kyōsuke no Boken," is a popular Japanese mystery manga and anime series created by Yōko Matsushita. The series follows the adventures of Kindaichi Kyōsuke, a high school student who solves mysteries in his spare time. kindaichi episodes