Brian Krause said in and interview that he was "pissed" he only got picked up for half of the 8th season. After this episode he's on a ten episode hiatus.
The Demon Reinhart, has the same tribal markings on his face and forehead as did The Source.
The Manor rooms that we have seen throughout the series have included; the attic, the kitchen, sunroom, living room, a bathroom, each of the girls rooms and the nursery. This is the first time that any mention of, let alone a set made of, a garage has appeared.
Vaya Con Leo's is a song called Vaya con Dios.