 With repeats regularly scheduled during school holidays until May 1974, as well as first-run episodes being screened at the same time, there was sometimes as many as eleven episodes of "Doctor Who" screened in any given week.But within only a few years, the number of episodes being lavished on fans decreased dramatically.By the beginning of the 1970s, the gap between UK and Australian premieres of "Doctor Who" had extended to twenty-one months.