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.)
Did You Know?
Fans voted this number 126 in a countdown of the 163 Doctor Who
(1963) stories in Outpost Gallifrey's 40th anniversary poll in 2003. See more
While Arbitan is talking to the Doctor for the first time, the camera shakes slightly when it is zooming in. See more
For the sake of all my people, I hope you succeed.
Featured in Last Stop White City