 Castiel is committed to the mental hospital, but is safe from the demons as only Meg knows he's alive and she takes a job at the hospital, presumably to look after him.In "Party On, Garth", Dean calls Meg and she reveals that Castiel's in the same condition, which Sam feels guilty about.In "Reading is Fundamental", Castiel is awakened when the Word of God – a tablet with information inscribed by an angel as dictated by God – is found by Sam and Dean.