The BBC's audience research for the first series of "Doctor Who" has shown some major developments for the channel. The series average to date, in final numbers, has been 8.2 million viewers and a 40% share; episode one had the highest audience for a new Doctor (jointly held with Tom Baker's debut in 1974) and the second highest launch of a new series (behind season 17 in 1979). The show strongly skewed toward both children and 35-44 year old age brackets, with an average overnight AI (audience index) ranking of 83, higher than normal for BBC drama. 63% of viewers said their main reason for watching episode 1 was because of the trailer, while 22% said their main reason for watching episode 6 was to see the Daleks. However, 68% said it was because they were enjoying the series. Over 90% of viewers polled say the Doctor Who is "good family viewing" but 19% had concerns about children being scared by the series, highest amongst older women. Just 6% of parents who watched Doctor Who wouldn't allow their children to watch. 59% of the audience think Doctor Who is better than other drama,a nd a massive 82% of the audience are "Very likely" to watch the new series, with a further 14% are quite likely.