BBC iPlayer - Episode Detail: Doctor Who: Series 4: Midnight The Doctor is trapped on the planet Midnight, as the knocking on the wall begins... 2009-12-08T22:44:08Z tag:feeds.bbc.co.uk,2008:/iplayer/feed/episode/b00c4xjk BBC http://www.bbc.co.uk Doctor Who: Series 4: Midnight tag:feeds.bbc.co.uk,2008:PIPS:b00c4xjk 2008-12-12T00:19:56Z The Doctor is trapped on the planet Midnight, as the knocking on the wall begins... <p> <a href="http://www.bbc.co.uk/iplayer/episode/b00c4xjk/Doctor_Who_Series_4_Midnight/"> <img src="http://node2.bbcimg.co.uk/iplayer/images/episode/b00c4xjk_150_84.jpg" alt="Doctor Who: Series 4: Midnight" /> </a> </p> <p> The Doctor is trapped, powerless and terrified, on the planet Midnight, as the knocking on the wall begins... </p> Doctor Who: Series 4: Midnight The Doctor is trapped, powerless and terrified, on the planet Midnight, as the knocking on the wall begins... uk 9100003 9200032 BBC One BBC Three David Tennant Catherine Tate Alice Troughton start=2009-12-15T19:46:00Z; end=2009-12-22T19:44:00Z; scheme=W3C-DTF