watch online Supernatural season 4 episode 4
Metamorphosis
Airs: Thursday October 9, 2008
Sam and Dean find Jack who is changing into a rugaru, a flesh-eating demon that preys on humans. Sam and Dean have a disagreement on how to deal with Jack.
Sam and Dean encounter a man with a mysterious infection that transforms him into a flesh-eating monster. Sam thinks the man can be changed through reason to curb his newfound instincts, but Dean believes the most-humane thing to do is to kill him. Dameon Clarke guest stars.
