Doctor Who - Logopolis, Part Four

Seizoen: 18 - Aflevering: 999 / 596 - Eerst uitgezonden: 21 maart 1981 - Episode ID: 384821

Southern England, 1981. Air hostess Tegan's first day on the job does not go as planned when she pulls over by a police box with a flat tyre en route to the airport. Why is the Doctor suddenly interested in genuine police boxes? And what is the terrible secret of the planet Logopolis?