'So You Think You Can Dance' slumps to 3.8m

So You Think You Can Dance's audience slumped on Saturday night despite facing little competition from ITV, early overnight data indicates.

Having premiered with 4.9m viewers last week, the second auditions show was seen by a modest 3.81m (20.7%) at the earlier time of 6.30pm, a steep decline of 1.1m.

Over on ITV1, a Harry Hill's TV Burp compilation took 3.29m (18.3%) at 6.45pm and 208k on +1, after which 3.95m (19.6%) watched Ant & Dec's Push The Button alongside a further 169k on timeshift.

Meanwhile, The National Lottery: Secret Fortune attracted 4.37m (21.2%) to BBC One at 7.30pm, then Casualty pulled in 5.41m (24.1%) at 8.25pm for an episode titled 'Just Because You're Paranoid', the most-watched broadcast of the evening.

A Who Wants to be a Millionaire? Mothers' Day special entertained 4.8m (21.7%) between 8.30pm and 10pm and 206k on ITV1 +1, eclipsing the last half of a Live at the Apollo repeat on BBC One, which grabbed 3.06m (14.5%).

Elsewhere, there were mixed fortunes for BBC Two, as a rerun of one-off documentary Edward VII: Prince of Pleasure interested 2.11m (9.6%) at 8pm, while Goldie's Band: By Royal Appointment sunk to 595k (2.8%) in the 9pm hour.

Channel 4's screening of The Transporter 2 appealed to 1.6m (6.9%) between 9pm and 10.30pm and 180k on +1, while CSI: NY and CSI: Miami notched up 1.91m (9.2%) and 1.06m (6.1%) respectively for Channel 5.

Despite averaging just 20.9%, BBC One regained its primetime lead over ITV1, which had 17.7% (+1: 0.9%), after being on the backfoot for ten days. BBC Two finished third with 7.1%, followed by Channel 5 with 5.8%, and Channel 4 with 5.2% (+1: 0.9%).

BARB ratings data supplied by Attentional