Doctor Who (1963–1996) Season 18 Episodes Available now
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Logopolis: Part 4
With the fate of the universe at stake, the Doctor and the Master must collaborate.
Logopolis: Part 3
The Master is loose on Logopolis and is determined to learn the planet's secret.
Logopolis: Part 2
The Doctor travels to Logopolis where a series of fateful events are set in motion.
Logopolis: Part 1
To repair the TARDIS' chameleon circuit, the Doctor goes to Earth for a real police box.
The Keeper of Traken: Part 4
Melkur is the new Keeper of Traken and the Doctor discovers the truth about his enemy.
The Keeper of Traken: Part 3
Melkur is poised to take control of the all-powerful source manipulator.
The Keeper of Traken: Part 2
As Melkur begins to return to life, he manipulates Kassia into doing its bidding.
The Keeper of Traken: Part 1
The Keeper of Traken is nearing the end of his long reign and requests the Doctor's help.
Warriors' Gate: Part 4
Rorvik ignores the Doctor's warning and takes a gamble which may have fatal consequences.
Warriors' Gate: Part 3
As the void shrinks, Rorvik plans to take desperate measures to escape via the mirror.