Ep. 138: Lupin III attempts to steal the snake-guarded gem from a Pompeii nunnery despite his fear of snakes.
Aired on June 2, 1980

138
The secret gem located within a Pompeii nunnery is protected by venomous snakes, a defense that has successfully deterred all previous thieves. Even the renowned Arsene Lupin had previously abandoned his attempts to acquire the treasure because of his intense hatred for snakes. However, Lupin has decided to take on this specific challenge despite his phobia. The narrative focuses on whether he will manage to overcome his fear and succeed in stealing the gem. Viewers are left to wonder about the outcome of this attempt and the true nature of the secret gem itself.
Episodes
- Ep. 134 · Lupin infiltrates a diamond syndicate safe while unaware of Zenigata's trap
- Ep. 135 · Lupin targets the Borges family jewel after Fujiko's provocation and a jailbreak request.
- Ep. 136 · Lupin loses the 10 million francs needed to buy the rare Gold Butterfly
- Ep. 137 · Lupin targets a museum housing the high-voltage protected Cleopatra's Tear gem while Zenigata surrounds him.
- Ep. 138 · Lupin III attempts to steal the snake-guarded gem from a Pompeii nunnery despite his fear of snakes.
- Ep. 139 · Tycoon Steel Needs Lupin's Brain for Transplant to Survive
- Ep. 140 · Lupin pursues stolen diamonds owned by scientist Salmon Whitney in Paris.
- Ep. 141 · Lupin infiltrates the Kremlin Palace disguised as Zenigata to steal a diamond chandelier
- Ep. 142 · Lord Weather Bets Lupin to Steal His Famous Horse Red Arrow