http://randomremarks.com/2009/04/doctor-who-easter-special-planet-of-the-dead-summary-and-analysis/ Fri, 08 Apr 2011 00:48:22 +0000 hourly 1 http://randomremarks.com/2009/04/doctor-who-easter-special-planet-of-the-dead-summary-and-analysis/comment-page-1/#comment-79 Rowley Tue, 05 May 2009 08:19:15 +0000 http://randomremarks.com/?p=349#comment-79 The four knocks reference is obviously The Master, his distinctive knock over the years has always been 4. The four knocks reference is obviously The Master, his distinctive knock over the years has always been 4.

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