Supernatural may have just had its best episode of the season yet.

With the angels on Earth, the heavenly creatures have intensified their stay by fighting and killing each other. They even captured and tortured Castiel for information on how to get back into Heaven.

Supernatural Season 9 Episode 9 also featured the return of Metatron, who revealed his new plan for Heaven, the real identity of the angel inside Sam, and the first name on his hit list.

So just who was possessing Sam? And who suffered a tragic fate by the end of the hour? Click on the photo to find out and watch the episode now!