Other Title: 快盗戦隊ルパンレンジャー VS 警察戦隊パトレンジャ - 許されない関係, Kaitō Sentai Rupanrenjā VS Keisatsu Sentai Patorenjā - Yurusarenai Kankei
Summary: Mysterious disappearance incidents start to emerge throughout the city one after another. All of the victims seem to have disappeared from within closed rooms. Keiichiro bears witness to one of these Gangler's crimes. However, some information they have received can lead them to identifying who the Gangler is. Keiichiro goes on ahead, but there's a chance that a certain stuffed animal might be a clue in this case. The Global Police proceeds with their investigation...