2x05 Rise of the Cybermen

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 更多 British.

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