On the planet Marinus, the Doctor and his companions are enlisted by Arbitan to seek out the keys to an ancient and powerful machine. Their quest takes them across time and space; will they be able to return the keys before Marinus falls under the control of the alien Voord? (Originally broadcast in six parts.) Written by
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When Ian is first inside the pyramid, someone stumbles through the background. See more
For the sake of all my people, I hope you succeed.
Featured in Last Stop White City