Detective Conan episode 869
It aired on Saturday, 5 August 2017.
Conan Disappeared on the Cliff (Part 1)
A robbery goes wrong when a gang starts to murder it's victims. One gang member manages to escape, but is shot with a crossbow bolt in the process. While Conan and the Detective Boys are on a weekend adventure with Professor Agasa, they find the shot gang member passed out on a villa property. It seems the gang is still hunting for him.