剧情介绍
ThetracerdetectsthesecondsegmentontheplanetCalufrax.TheTARDISmakesabumpylanding,andtheDoctorandRomanasoondiscoverthattheyarenotonCalufraxatall.TheyareinfactonZanak,aplanetthathasbeenhollowedoutandfittedwithenginessothatitcantransmatthroughspaceandmaterialisearoundothers-suchasCalufrax-toplundertheirmineralwealt...
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