Ghost Hunt Episode 17: Forbidden Pastime (Part 4)
Episode 17 of 25 of Ghost Hunt, aired January 31, 2007, 25 minutes. Available with English subtitles and dub where released.
Episode summary
Naru and Lin begin a ritual to return the curse to its casters, thereby leaving leaving the curse's target unharmed. Mai learns that this ritual will affect most of the school's student population, as they, while unknowingly, contributed to the curse. Her attempt to stop it fails, but Naru and Lin are able to lift the curse with little harm to the students.