In the TV series Supernatural , " Appointment in Samarra " is the . It is a pivotal episode where Dean makes a bargain with Death to retrieve Sam's missing soul. Episode Summary

: Sebastian Roché assists Sam in his attempt to remain soulless.

: Played by horror legend Robert Englund (Freddy Krueger), he is an old friend of John Winchester who helps Dean "die" temporarily to meet Death.

: Dean fails the challenge after sparing a young girl's life, which causes a ripple effect of unintended deaths. This teaches him that the natural order cannot be subverted without consequences.

: Sam does not want his soul back because of the trauma it suffered in Hell. He attempts a "soul-proofing" ritual provided by Balthazar that requires the "blood of the father." Since John Winchester is dead, Sam targets Bobby Singer.