Airing at 8.30pm, 809k (3.2%) watched the quiz show's latest instalment, picking up nearly 100,000 viewers week-on-week.
Fronted by David Mitchell's wife Victoria Coren, the programme has steadily grown since its 2008 debut into one of the channel's biggest shows.
Only Connect's nearest rival was E4's Hollyoaks first look, which was watched by 631k.
Both New Tricks (7.52 million/30.7%) on BBC One and ITV1's Leaving rose, the latter logging 3.73m (15.2%) and 290k (1.7%) on +1.
Elsewhere on BBC One, Panorama interested 3.02m (12%) at 8.30pm, while Citizen Khan amused 2.8m (19.7%) later from 10.35pm.
Paul O'Grady: For the Love of Dogs continued to go from strength to strength, attracting 4.74m (19.4%) in the 8pm junction between Coronation Street's double bill on ITV1. The show added 381k (1.5%) on timeshift.
University Challenge managed 2.83m (11.3%) for BBC Two at 8pm, then Nigella Lawson's new series Nigellissima took 2.61m (10.4%) at 8.30pm.
Channel 4's 999: What's Your Emergency? drew 1.79m (7.3%) at 9pm (+1: 466k/2.7%), prior to which Food Unwrapped served up 1.62m (6.5%) at 8.30pm (+1: 125k/0.5%).
Meanwhile, Classic Car Rescue had 1.02m (4.1%) on Channel 5 in the 8pm slot, the broadcaster's only offering to break the 1m mark.
Overall, BBC One led primetime with 23.7%, ahead of ITV1's 21.7% (+1: 0.9%). BBC Two claimed third place with 7.1%, ahead of Channel 4's 5.8% (+1: 1%), and Channel 5's 3.2% (+1: 0.2%).
BARB ratings data supplied by Attentional