Supernatural (2005)

S12E16 Ladies Drink Free

In "Ladies Drink Free," Sam and Dean invite Mick Davies to join them on a mission to track down a werewolf. During their investigation, they cross paths with Claire Novak, who is also hunting the creature. Unfortunately, their brief reunion takes a dark turn when Claire is bitten, prompting the brothers to scramble against time to find a cure and prevent her transformation.