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'''[[Recap/{{Supernatural}} Recap]] of ''Series/{{Supernatural}}'''''\\
'''Season 4, Episode 4:'''

!Metamorphosis

Written by Cathryn Humphris.

Directed by Kim Manners.

Air Date: October 9, 2008.

Dean catches Sam in the act of using his powers, exorcising a demon with his mind. He's not overly thrilled about this, but before they can have a big fallout, Sam's phone rings. It's Travis, another hunter, who wants help tracking down a rugaru in [[http://en.wikipedia.org/wiki/Carthage,_Missouri Carthage, Missouri]]. Rugarus look like normal people until they get really hungry and eventually turn to cannibalism. It's genetic. Travis killed this rugaru's dad, but lost the kid, Jack Montgomery.

The Winchesters have different ideas on how to deal with it. Sam reckons they can't kill him until he gives them reason to-- innocent until proven guilty and all that. Dean reckons they should deal with the problem before the body count piles up. Meanwhile, Travis discovers that Jack's wife is pregnant, which means the cycle is gonna start all over again. He attempts to burn them both and get it over with. Doesn't work out too well for him. Jack eats him and goes full-on monster mode.

Sam and Dean arrive, and he manages to lock Sam in a closet and stares at unconscious Dean, trying not to eat him. Just as he is giving in, Sam bursts out and burns him alive. KillItWithFire indeed. Dean is duly grateful, and later manages to say that though he doesn't have demon blood, he'll be there for Sam.

!!Body count
For this episode = 1 human and 1 rugaru.

For the series so far = At least 258 humans (of which 3 were witches), 52 demons, 24 ghosts, 10 vampires, 6 changelings, 3 gods, 2 shapeshifters, 2 werewolves, 1 cat, 1 crocotta, 1 djinn, 1 rakshasa, 1 rawhead, 1 rugaru, 1 shtriga, 1 wendigo, and 1 zombie.

!Tropes
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* BigEater: Jack, the rugaru.
* HeyItsThatGuy: Joanne Kelly, who plays Michelle Montgomery, also plays Myka Bering on ''Series/{{Warehouse13}}''.
* ICanExplain: Sam says this when Dean finds out Sam's using his psychic powers.
* ImAHumanitarian
* INeverSaidItWasPoison
-->'''Sam:''' It's just, our parents. And now we find out our grandparents too? Our whole family murdered, and for what? So Yellow Eyes could get in my nursery and bleed in my mouth?
-->'''Dean:''' Sam, I never said anything about demon blood.
* KillItWithFire: The only way to stop a rugaru.
* NiceJobBreakingItHero
* ThePowerOfLove
* TragicMonster
* WhatHappenedToTheMouse: The fate of the pregnant widow is left unknown.

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