The show's second series, presented by Davina McCall, opened to 1.91m (10.7%) on Channel 4 between 10pm and 11.15pm, while 111k (1.1%) tuned in on timeshift.
The closing part of Whitechapel averaged 4.64m (18.8%) for ITV1 from 9pm, down 430k week-on-week. An additional 197k (0.8%) watched the programme on ITV1 HD.
Whitechapel's combined audience was outperformed by Spooks in the 9pm hour, after the espionage drama brought in 5.13m (20.7%) on BBC One.
The One Show appealed to 4.54m (21.1%) on BBC One from 7pm, before Inside Out grabbed 3.42m (14.5%). Panorama then mustered 2.91m (11.6%) on the channel from 8.30pm.
Earlier on ITV1, nature series Wild Britain With Ray Mears pulled in 3.56m (14.2%) from 8pm and 154k (0.6%) on ITV1 HD.
Channel 4's Dispatches educated 470k (1.9%) in the 8pm hour and 72k (0.3%) on Channel 4 +1. The programme was followed by Titanic: The Mission, which entertained 1.14m (4.6%) and 129k (0.7%) on timeshift.
Over on BBC Two, Michael Wood's Story Of England had 1.34m (5.9%) in the 7pm hour, before University Challenge and Masterchef: The Professionals secured respective audiences of 3.1m (12.3%) and 3.05m (12.1%) from 8pm.
Horizon: Miracle Cure? Decade Of The Human Genome fetched 1.33m (5.4%) on BBC Two in the 9pm hour. It was followed by Genius With Dave Gorman, which amused 1.16m (5.7%).
On Channel 5, How Do They Do It? attracted 703k (3%) from 7.30pm, before The Gadget Show averaged 1.26m (5%) in the 8pm hour.
Rory And Paddy's Even Greater British Adventure mustered 1.4m (5.7%) on Channel 5 in the 9pm hour. It was followed by Russell And Katy Get Married, which took 744k (4.1%).
ITV1 won primetime with 23.3% (HD: 0.8%) against BBC One's 20.6%. BBC Two came in third with 7.4%, followed by Channel 4 with 4.7% (+1: 0.5%) and Channel 5 with 4.3%.
Elsewhere, A History Of Horror With Mark Gatiss continued to 458k (1.9%) on BBC Four in the 9pm hour.
On CBBC, a new episode of The Sarah Jane Adventures grabbed 670k (4.9%) from 5.15pm.
BARB ratings data supplied by Attentional