Doctor Who: Logopolis
The Fourth Doctor is warned of his own demise but must save the universe from the Master.
Episode 1
To repair the TARDIS's chameleon circuit, the Doctor goes to Earth for a real police box.
Episode 2
The Doctor travels to Logopolis where a series of fateful events are set in motion.
Episode 3
The Master is loose on Logopolis and is determined to learn the planet's secret.
Episode 4
With the fate of the universe at stake, the Doctor and the Master must collaborate.
