49화: 마담 테킬라가 젠니가타를 입양하여 블랙 피그 다이아몬드를 보호하다
1985년 9월 28일 방영
Mexico's richest woman, Madame Tequila owns a black diamond named the Black Pig of Mexico. Realizing that Lupin is after her diamond, Madame Tequila appoints Inspector Zenigata to guard it. However, what Madame Tequila doesn't tell Inspector Zenigata is that she also has a 10 billion dollar insurance policy on the diamond. After seeing Inspector Zenigata's valiant attempt at capturing Lupin, Madame Tequila decides to adopt Inspector Zenigata as her heir. And she's not taking no for an answer! Will Inspector Zenigata call Madame Tequila, "Mother"? (Source: Crunchyroll)