S02E126: Together with Lupin to Hell

Lady Black, who wants for nothing in life, makes a certain wager with Fujiko, who believes in Lupin's immortality. If Lupin can get out alive from a maze equipped with killing devices, she will give Fujiko her fine art collection. All manner of traps attack Lupin and Jigen. Black has a secret. Lupin and Black's mother had a relationship... And what of Goemon?