Two years after the birth of the manga a pilot film was realized. It was a brief film of only 15 minutes that had the purpose of assay the response to a possible future anime realization of Lupin III. The pilot opens with a challenge call from Lupin to Zenigata from a public phone.
Note: A remastered version was realised in 1978, re-photographed in cinemascope and re-dubbed…
Akechi Kogorou
Related works
A group of young boys (plus a token girl and her little brother, the obligatory brat) form a detective club, pooling their talents for brain, brawn, invention, and driving skills to solve crimes in Tokyo. Much to the consternation of police chief Nakamura, they often succeed where the professionals fail.
Source: The Anime Encyclopedia