第 47 集: 五右衛門發誓協助一名病童找回父親的藏寶圖畫
1985年8月17日 播出
The mafia killed a young boy's father to steal his massive fortune. Realizing that his life is in danger, Ken's father paints a picture that contains a treasure map to his fortune and is killed shortly after. Goemon pities the young boy who is afflicted with an incurable illness, and swears to retrieve his father's painting for him. Will Goemon be able to keep his promise and will Lupin decipher the painting's hidden secret? (Source: Crunchyroll)