Episode 26 of "Supernatural"
s02e04 Children Shouldn't Play With Dead Things
Title: Children Shouldn't Play With Dead Things
Original Air Date: 10/19/2006
Plot Outline:
Dean and Sam investigate the murder of a college student who has come back from the dead seeking revenge on those who mistreated her while she was alive. Upon confrontation, the ghost savagely attacks Sam, leaving him injured. While in town, the brothers visit their mother's grave to pass along something from their father.