This Dr. Horrible's Sing-A-Long Blog screencap contains
salon, séjour, chambre à l'avant, salle, salle de devant, chambre de famille, chambre familiale, tanière, and den.
There might also be
salon, parloir, salle de dessin, chambre matin, chambre du matin, and petit salon.
A German fan has translated the first couple minutes of Act I. It's pretty well done I think. All German fans on this spot ou everyone who is interested should have a look ; )