The first of these was the "Dalekmania" period (circa 1964–1965), when the popularity of the Daleks regularly brought Doctor Who ratings of between 9 and 14 million, even for stories which did not feature them.
Den første af disse var "Dalekmania" perioden (cirka 1964–1965), da populariteten for Dalekkerne regulært bragte Doctor Who seertal op mellem 9 og 14 millioner, selv for historier som ikke indeholdt dem.