The episode had an audience of 5.7 million viewers and a share of 26.7% of the whole TV audience.
Cold War was third most viewed programme of the day, with the first being ITV’s Britain’s Got Talent, which had 10.5 million viewers and a 41.5% share of the overall audience after returning after a hiatus between series. The Voice, the BBC One talent show, had a viewing figure of 6.7 million. Cold War won the time slot it was placed in, with Famous 4 and You’ve Been Framed! receiving 4.0 million viewers.
The final ratings for the episode will be released next week.
[Source: Doctor Who News]