神秘博士特别篇：时间尽头(下) 超清

The Doctor faces the end of his life as the Master's plans hurtle out of control. With the sound of drums growing louder, and an ancient trap closing around the Earth, the Doctor and Wilf must fight alone. But sacrifices must be made, and the deadly prophecy warns: "He will knock four times." 独孤博却是摇了摇头，凭借自己的实力，恐怕以后已经没有机会了，他的年纪已经八十几岁了，此生无望再继续突破。