Lupin III: Episode 0 - First Contact (2002) on Netflix

Plot summary

A reporter in New York City asks Daisuke Jigen how he first met Arsène Lupin III, and he tells of a time long before. Galvez, a millionaire, hired Jigen to help protect the Clam of Helmeth, a green cylinder of a metal that will not break and that holds instructions for forging a similar metal. Lupin, the thief Brad and Brad's partner Fujiko Mine all want the Clam. Inspector Koichi Zenigata is sent by the Japanese police to catch Fujiko and works alongside George McFly, an American detective. Goemon Ishikawa XIII, far away, hunts for a blade that will match his skill.