[s6e16] ...and Then There - Were None

In this episode, Sam, Dean, and Bobby investigate a series of brutal murders that lead them to a cannery where they encounter fellow hunters, including , Samuel Campbell , and Gwen Campbell . They discover that Eve (the Mother of All) has created a new supernatural parasite known as the Khan Worm . Key Plot "Features"

: The title is a direct nod to the 1939 mystery novel where guests on an island are killed off one by one. [S6E16] ...And Then There Were None

: This episode is notable for killing off recurring characters Rufus Turner , Samuel Campbell , and Gwen Campbell . In this episode, Sam, Dean, and Bobby investigate

: The episode's structure and the use of a "test" to find a hidden monster among friends heavily mirror the 1982 horror film. : This episode is notable for killing off