Booze Traveler (2014)

S9E16 Blade Runners

Sam and Dean embark on a quest to locate the elusive First Blade, which leads them to investigate the whereabouts of a missing Crowley. They soon learn that the demon has developed a dangerous addiction to human blood. Realizing the severity of the situation, the Winchester brothers conclude that the only solution is for Crowley to go cold turkey, setting the stage for a tense confrontation as they attempt to help him break free from his cravings.