Liz Sladen, Katy Manning, Matt Smith. Loved all the brief clips of previous Doctors. So many references to old shows. Sentimental...
S04.E05 Part 1: 1.1 & 1.2
http://www.youtube.com/watch?v=HpQ74G3Q3Dk
http://www.youtube.com/watch?v=e9jrY...eature=related
S04.E06 Part 2: 2.1 & 2.2
http://www.youtube.com/watch?v=Vy5te...eature=related
http://www.youtube.com/watch?v=YMVZH...eature=related
S04.E05 Part 1: 1.1 & 1.2
http://www.youtube.com/watch?v=HpQ74G3Q3Dk
http://www.youtube.com/watch?v=e9jrY...eature=related
S04.E06 Part 2: 2.1 & 2.2
http://www.youtube.com/watch?v=Vy5te...eature=related
http://www.youtube.com/watch?v=YMVZH...eature=related
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