BBC One's Tumble was seen by an average audience of 3.31 million (21%) on Saturday evening (August 23).
The BBC gymnastics show narrowly improved on last week's average of 3.30 million. Peak figures of 4.02 million (23.7%) were slightly down, however.
The return of Doctor Who was the highest-rated show of the evening by some distance, entertaining 6.79 million (32.5%) at 7.50pm.
The feature-length episode, which marked the full debut of Peter Capaldi as the new Time Lord, peaked with an audience of 6.96 million at 8.45pm.
It was followed by 4.20 million (21.4%) for Casualty at 9.10pm, while Match of the Day rounded off the evening with 3.47 million (26.6%).
Tipping Point was seen by 3.12 million (15.6%) over on ITV, while All Star Family Fortune played to 2.81 million (13.7%).
Celebrity Big Brother continued to do well for Channel 5, with 1.43 million tuning in to the latest episode.
Channel 5's evening began with 791k (4.4%) for The ABBA Years at 7.10pm, followed by ABBA @ 40: Live at Wembley with 1.07 million (5.1%).
Channel 4 movie Red Lights was its biggest draw of the night, playing to 770k (4.4%) at 9pm.
The Restoration Man and Grand Design were viewed by 550k (3.2%) and 660k (3.2%), respectively.
Over on BBC Two, Ancient Egypt: Life and Death in the Valley of the Kings was seen by 960k (4.6%) at 8.15pm, while 780k (4.1%) watched Andrew Marr's Great Scots: The Writers Who Shaped a Nation immediately after.
With 1.31 million viewers (6.5%), an old episode of Dad's Army ended up as BBC Two's highest-rated show of the evening at 7.45pm.
ITV 3 shows Lewis and Foyle's War performed well for the multichannels, entertaining respective audiences of 720k (3.8%) and 840k (4.6%).
