Starring Damian Lewis and Claire Danes, the show last night (Sunday) climbed to its highest audience so far for 'Blind Spot', pulling in 2.11m (8.3%) in the 9pm hour and 351k (2%) on +1.
The critically-acclaimed series has not dropped below the 2m mark since premiering last month (February).
The Dancing on Ice semi-final attracted 6.96m (29.5%) to ITV1 from 7pm (+1: 215k/0.9%), then Jennifer Ellison's Skate Off departure was seen by 5.76m (22.5%) at 9.30pm (+1: 237k/1.5%).
Sandwiched between the skating show, a one-off celebrity Who Wants to be a Millionaire? Mother's Day special entertained 5.43m (21.6%) between 8.30pm and 9.30pm, adding a further 155k (0.7%) on ITV1 +1.
Meanwhile, strong performances from Countryfile (6m/26.3%) and Antiques Roadshow (6.2m/24.7%) helped ensure a solid early evening for BBC One.
Over on BBC Two, Orbit concluded with 2.57m (10%) at 9pm, prior to which The Best of Top Gear scored 2.21m (8.8%), beating Channel 4 Falklands War documentary Most Daring Raid, which took 1.57m (8.7%) and 212k (0.8%) on timeshift.
Elsewhere, Channel 5's screening of Will Smith's I, Robot appealed to 922k (3.7%) between 7.45pm and 10pm.
Across primetime, ITV1 came out on top with 22.6% (+1: 0.7%) against BBC One's 21.7%. BBC Two claimed third place with 9.3%, ahead of Channel 4's 5.4% (+1: 1.3%) and Channel 5's 3.9% (+1: 0.2%).
On the multichannels, Being Human (780k/2.9%) and Desperate Housewives pulled in 780k (2.9%) and 619k (3.5%) for BBC Three and E4 respectively. Housewives had a further 135k (0.5%) on E4 +1.
A Benidorm catchup on ITV2 amused 700k (2.7%) and 186k (1%) an hour later.
BARB ratings data supplied by Attentional