The show, which saw Keith Allen, Trinny Woodhall and Spice Girl Mel B experience life in low-income households in Leeds, came top during the 9pm hour, beating BBC One's Around The World In 80 Days, which had 3.6m (15.9%) and was down around 580k on last week's performance.
Also at 9pm, CSI: Miami logged 2.62m (11.6%) for Five, 1.37m (6%) watched Horizon on BBC Two, and Channel 4's The Force interested 1.34m (5.9%).
Holby City led the 8pm hour, bringing in 5.42m (23.2%) for BBC One. Its nearest rival, ITV1's Who Wants To Be A Millionaire?, managed 3.28m (14.2%).
MasterChef: The Professionals, which saw the chefs create a two-course lunch from a mystery box of ingredients, drew 2.94m (12.5%) for BBC Two, 1.69m (7.3%) watched How To Look Good Naked on Channel 4, and Five's Nature Shock put in 1.21m (5.2%).
Overall, BBC One came top during primetime with an average share of 22.6% to ITV1's 16.6%. BBC Two was third with 7.6%, followed by Five's 7.2% and Channel 4 with 5.5% (+1: 0.8%).
Elsewhere, the latest instalment of Stargate Universe averaged 635k (2.9%) for Sky1 at 8pm, down over 100k on last week's episode, which took 765k (3.6%). Dollhouse made a disappointing return to Sci Fi, logging a lowly 115k (0.7%) during the 10pm hour. Previously, the series opener, which aired Tuesday, May 19, managed 263k (1.3%).
BARB ratings data supplied by Attentional