Lupin the 3rd Episode 0: The First Contact(2002)

Lupin III: EPISODE:0 "First Contact"

First Contact tells the story of the origins of the Lupin gang. In this blast from the past, Lupin is after American mafia boss Galvez's single most precious treasure: a treasure within a treasure. Jigen is Galvez's hired gun who fails to kill cat-burglar Lupin in his first attempt on the treasure and seeks revenge. Fujiko is the girlfriend of Lupin's rival, Brad. Zenigata travels from Japan to America to find and arrest Fujiko. Goemon seeks the almighty sword that cuts steel, Zantetsuken. This sword is mysteriously connected to the treasure in Galvez's vault.... After a series of twists and turns, these complete strangers become acquainted in their "First Contact," an epic adventure together!

(Source: Discotek Media)