Der Traumstein | Kyoushirou to Towa no Sora | Bill Duke

Supernatural S07E02:

Hello, Cruel World

IMDb 8.6 44 min/episodeRelease:2005
The leviathans destroy Castiel's body and break loose. Now Sam, Dean, and Bobby have to track them all down. Meanwhile, Sam is beginning to struggle with what is real and what is an hallucination.
Director: Guy Norman Bee