Ep. 90: Lupin infiltrates Markane's masquerade and faces a deadly ten-round murder game
Aired on July 2, 1979

90
Lupin infiltrates crime boss Markane's masquerade party, only to discover it is a trap designed to capture him. He is suspended by rope in the darkness and becomes the target of a murder game consisting of ten rounds where participants must shoot at him. As more individuals join the game, Markane accumulates greater wealth. This scenario places Lupin in immediate danger as he attempts to survive the orchestrated attack within the darkened venue.
Episodes
- Ep. 86 · Conan Dorill joins ICPO to investigate the Nightlight Mask murder and diamond theft.
- Ep. 87 · Lupin faces a nightmare involving Mephistopheles after receiving a doll during a stormy night.
- Ep. 88 · Lupin targets the Vatican Crown at the North Pole while Fujiko pursues him with the Red Voyagers League
- Ep. 89 · Lupin III attempts to steal from the atomic safe guarded by the World Crime Prevention Devices Association.
- Ep. 90 · Lupin infiltrates Markane's masquerade and faces a deadly ten-round murder game
- Ep. 91 · Lupin rescues an amnesiac girl in New York while evading the Red Spider organization.
- Ep. 92 · Lupin attempts to return Piccolo's seized belongings without revealing his past as a thief
- Ep. 93 · Lupin infiltrates the Imperial Palace Museum in Peking for a heist
- Ep. 94 · Superman flies over New York causing panic while banks are robbed