This Dr. Horrible's Sing-A-Long Blog screencap contains
sala de estar, salón, sala, living comedor, habitación frente, cuarto familiar, habitación familiar, guarida, and den.
There might also be
sala, sala de estar, salón, salón, sala de estar, sala de dibujo, sala de la mañana, and cuarto de la mañana.
A German fan has translated the first couple minutos of Act I. It's pretty well done I think. All German fans on this spot o everyone who is interested should have a look ; )