With the threat of doom ever-present, the Doctor and Adric press on for Logopolis, where the muttered mathematical incantations of its people can completely overhaul the TARDIS. En route they discover an accidental yet demanding passenger on board while, all the while, the Master secretively journeys with them to ensnare the Doctor in a diabolical trap. Written by
Did You Know?
The other actors under consider for the main guest lead : The Montior. were Harry Andrews, Maurice Denham, Marius Goring, Peter Cushing, Bernard Archard, Michael Gough, Geoffrey Bayldon, William Lucas, Frank Finley, Frank Windsor Peter Wygarde and Barry Foster. See more
Never guess, unless you have to. There's enough uncertainty in the universe as it is.
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