Episode 13 of "Supernatural"
s01e13 Route 666
Title: Route 666
Original Air Date: 01/31/2006
Director: Paul Shapiro
Writer: Eugenie Ross-Leming, Brad Buckner
Plot Outline:
Dean is contacted by his first love Cassie, an African-America girl, who asks him to come to Mississippi to investigate a string of racially motivated murders. Each murder is linked to a mysterious truck that seems to have no driver and leave no tracks. Sam is stunned to see this new side of his brother as Dean struggles to come to grips with the residual feelings he has for Cassie.