===[[14.01 Stranger in a Strange Land]]===
When they arrive at the diner in [[Detroit]] to meet with [[Kipling]] and rescue [[Castiel]], Sam hands Ruby's knife to [[Mary]] stating that it would be better if she takes it. After Mary and [[Bobby Singer (Apocalypse World)|Bobby]] ambush the restaurant, Mary throws the knife to Sam who turns to attack Kipling. During the fight between Sam and Kipling, they struggle for control of the knife which Sam ultimately loses. As Kipling comments that the knife is "cool," Sam suddenly grabs his arm and drives the knife into his chest, killing Kipling.