Lupin has been spotted fleeing the scene of a robbery.
Two soldiers discover their comrades unconscious and a weapon missing.
The inventor of the jet engine mysteriously disappears.
Lupin seeks a treasure that sank with the Titanic, left behind by his father.
Karst pins a theft on Arsene Lupin.
Lupin's friend escapes from jail.
Karst kidnaps an opera singer for her diamonds.
A newly discovered pharaoh's scarab is stolen.
Reporter Kelly suspects a plot is afoot against a prince.
A painting up for auction holds the key to royal succession.
Karst corners the South African mining-stock market.
Karst plans to steal a train load of gold.
Lupin believes Karst is about to ship gold for the mafia.
Mayhem steals an auto-racing engine for Karst.
Turkish police arrest a false Arsene Lupine for stealing a priceless pearl.
Lupin must prove that Ganimard didn't steal a rare statue.
Somebody blows up Lady M's prototype plane.
Counterfeiter Karst meets with the mafia; Max is kidnapped.
A professor invents an impenetrable armor.
The president of a Third World country wants to deal with Karst.
An unstable fissure, if tampered with, could power Europe or erupt.
Joe Gila and Diesel kidnap Max.
A friend gives Kelly a crystal for safe-keeping, then disappears.
May Hem runs for mayor of Hollywood.
Ganimard blames Lupin for a series of art thefts.