“Doctor Who’s return to TV screens on Saturday night will mark the end of an era for two of the show’s key figures.
“This series will be the last to feature Peter Capaldi as the Time Lord and also sees the departure of the head writer, Steven Moffat, who took over from Russell T Davies in 2009.
“The BBC may be hoping that Moffat’s final series will revive the fortunes of Doctor Who, whose ratings have been in steady decline.
“In 2011 it pulled in an average of 7.5 million viewers, compared with just 6 million in 2016.
“The previous series opener attracted just 4.6 million viewers.”
Read more at The Guardian