Detective Conan episode 871

It aired on Saturday, 2 September 2017.

The Nobunaga 450 Case

The Detective Boys go to Gifu to explore and see a local hero show. Afterwards, Mitsuhiko goes to ask for their autographs. While waiting, the Detective Boys feel he's been gone a long time. When they go to their tent, they find the heroes and Mitsuhiko have gone missing!