Episode 23, "The Memories of a Beloved Witch"
Synopsis: Lupin and the gang are confronted by Mattea, who utters a phrase that sends Lupin into a seemingly hypnotized state. He attacks and then flees his allies, having visions of Tomoe speaking a mysterious poem to him. While Zenigata questions Mercedes, Jigen and Goemon are forced to turn to a surprising source of information to find their colleague. Lupin journeys to the mansion he grew up in and finds himself face-to-face with his "mother". It's not a sweet reunion!