Watch Yu Yu Hakusho: Ghost Files Episode 1 HD Full Free on SolarMovie. Watch Yu Yu Hakusho: Ghost Files tv series online free. After a teenage delinquent is killed while saving a child's life from an approaching car, the rulers...After a teenage delinquent is killed while saving a child's life from an approaching car, the rulers of the underworld send him back to become an "Underworld Detective" investigating demons apparitions in the human world.