Ep. 49: Lupin grows close to wealthy widow Jacqueline while Fujiko is kidnapped by the Cobra syndicate.
Aired on September 11, 1978

Jacqueline has accumulated significant wealth and a valuable jewelry collection following multiple divorces and the deaths of several husbands. Lupin and Jacqueline develop a close relationship, which causes discomfort for Jigen and Goemon. Meanwhile, Fujiko, who intends to steal Jacqueline's jewels, is abducted by the Cobra crime syndicate. The situation forces Lupin to confront his feelings as he becomes blinded by love. He must determine if his affection for Jacqueline is genuine or if she is the true danger, akin to a venomous snake, while dealing with the kidnapping of his colleague.
Episodes
- Ep. 45 · Lupin steals jewels from Mulligan but Fujiko takes them, prompting Mulligan to hire Hangman.
- Ep. 46 · Dr. Mad buys Lupin, Jigen, and Fujiko at auction and abandons them on an island with killer cyborgs.
- Ep. 47 · Lupin targets the Imperial State Crown during Princess Mary's royal wedding
- Ep. 48 · Lupin targets the Kentucky Derby betting takes and the Metropolitan Bank vault
- Ep. 49 · Lupin grows close to wealthy widow Jacqueline while Fujiko is kidnapped by the Cobra syndicate.
- Ep. 50 · Lupin investigates an auction where he encounters the woman he believed was dead.
- Ep. 51 · Lupin confronts Dr. Zel's resurrected Cornelia as she struggles between her erased memories and her father's lies.
- Ep. 52 · Lupin faces Emmanuelle Poirot for the Holy Scripture hidden in Thailand
- Ep. 53 · Phantoma Mark III Demands the World's Largest Ruby for Fujiko's Release