Two years after the birth of the manga a pilot film was released. It was a brief film of only 13 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. (Source: AniDB)

The Pilot was included on the 2012 release of Lupin III Part 1 DVD, by Discotek.