4x08 Silence in the لائبریری

I'm Spanish and according to my calculations, is likely to start arriving summer episodes of the series 7 to Spain, dubbed into Spanish. And that gives me some doubts about the dubbing and translation of new episodes.

Translation of the names of the episodes and references and jokes مزید British.

Translate it یا not?
In Spain, not all the names of فلمیں and series are translated literally (The sound of موسیقی is in Spanish smiles and tears) so it makes me think if will be literal یا not, when آپ translate names episodes.
In this sense, my doubts are mainly in two episodes, A town called Mercy...