Lupin the Third Season 5 Episode 10

Thief and Thief

After forcing the DGES Director General to reveal everything he knows about José, Lupin and Albert, assisted by Jigen and Goemon, storm the chief assassin's chateau and fight their way past Jóse's chief henchmen. When they find him and bring him down, Jóse, a cyborg, kills himself with an implanted bomb, but Lupin manages to retrieve the notebook. Despite Albert's final attempt to steal it back, Lupin retains his hold on it, and the two part ways with their past relationship (somewhat) restored. After Calvess and the DGES Director General are left defeated, Lupin re-buries the notebook in Gaston's grave.