Lupin III Temporada 1 Episódio 5

Goemon Ishikawa XIII is the thirteenth direct descendant of the famous samurai highwayman Ishikawa Goemon. Goemons mentor has given him a mission; find Lupin and use the invincible Zantetsuken eliminate him. Neither Goemon nor Lupin know that Goemons mentor and Fujiko are actually working together.