http://twominutetimelord.com/podcasts/2mtl-356.mp3Podcast: Play in new window | DownloadThe latest in Steven Moffat's series of biological functionally-titled episodes, "Listen!" is entirely about hiding behind the sofa, and why we do that, and what greatness the fear that drives it might lead us to. And, to my great surprise, we get a profound look underneath the Doctor's mask.