Nearly four hours long, a programme - dedicated to swimming, athletics and wheelchair basketball - averaged 3.2m (14%) from 7pm and peaked with over 4m at 9.30pm. A further 107k (0.5%) tuned in on Channel 4 +1.
Only BBC One was more popular in primetime, picking up steady ratings for Britain's Hidden Heritage (3.29m/17.4%), Countryfile (4.96m/21.8%) and Inspector George Gently (6.08m/24.6%) at 8.30pm, and Match of the Day 2 (3.02m/21.3%).
Coronation Street, airing for a special one-hour episode at 7pm, gave ITV1 its best audience of the evening with 5.87m (27.2%) and 392k (1.7%) on +1.
The network struggled later on as The Cube drew 2.81m (11.9%) at 8pm (+1: 137k/0.6%), and The Last Weekend concluded with 2.01m (8.1%) at 9pm (+1: 214k/1.2%).
Celebrity Big Brother entertained 1.75m (7%) on Channel 5 in the 9pm hour, adding 115k (0.6%) on timeshift. Documentary 9/11: Escape to the Impact Zone logged 1.1m (5.7%) in the 10pm slot.
Over on BBC Two, a Top Gear repeat grabbed 1.82m (7.7%) at 8pm, then 1.7m (6.8%) watched Toughest Place to be a Nurse.
Overall, BBC One topped primetime with 22.4%, while Channel 4 took second place with 13.9% (+1: 0.4%), ahead of ITV1's 12.7% (+1: 0.9%). BBC Two finished fourth with 5.9%, and Channel 5 was last with 4.1% (+1: 0.3%).
Family Guy managed 1.23m (5.8%) for BBC Three at 10pm, and was the most-watched peak time multichannel broadcast. An X Factor catchup attracted 693k (3.2%) to ITV2 at 7pm (+1: 228k/1%), after which The Xtra Factor appealed to 685k (2.9%) an hour later at 8pm (+1: 244k/1%).
BARB ratings data supplied by Attentional