Metamorphosis

A hunter named Travis points Sam and Dean towards a meat eating creature called a Rugaru. Complicating matters is the fact that Travis's target is a normal suburban dad in the earlier process of changing and he hasn't killed anyone yet.

Season 4 | Episode 4
TV-14-DLSV
Cast

Jared Padalecki

Sam Winchester

Jensen Ackles

Dean Winchester

Misha Collins

Castiel