The Fourth Doctor regenerates

Tags: Fourth Doctor

Logopolis, episode 4
21 March 1981

The mathematicians of Logopolis have long used their great knowledge to vent entropy out of our universe, keeping it alive long past the date of its natural death. With Logopolis damaged by the Master’s interference, the Doctor tries to transmit their computations from Earth, but the Master has other plans. It’s the end, but the moment has been prepared for…

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