Queen Week, which saw the final seven acts sing Freddie Mercury classics, logged the series' highest live show performance ratings, up slightly on last week's previous high of 11.79m (46.9%) for Movie Week.
Piers Morgan's post-X Factor outing of Life Stories, this week profiling Vinnie Jones, averaged 4.67m (21.7%) in the hour from 9.30pm. Earlier in the evening, Harry Hill's TV Burp had 5.52m (21.3%).
Over on BBC One, Merlin put in 5.48m (23.6%) from 6.05pm, before Phil Tufnell's Strictly Come Dancing exit was seen by 9.45m (36.5%) between 6.50pm and 8.30pm.
Following Stricly, The National Lottery draw had 5.05m (19%) and Casualty's instalment, titled 'Leave Me Standing', delivered 4.64m (17.9%) from 8.40pm.
Over on Channel 4, When Boris Met Dave was scheduled against X Factor and averaged 560k (2.1%). The network's feature film Four Weddings And A Funeral managed 1.72m (9.7%) from 9.30pm.
BBC Two's Berlin and What Is Beauty? logged 1.25m (4.7%) and 840k (3.2%) at 7.30pm and 8.30pm respectively, while a revised repeat of Have I Got News For You attracted 2.34m (10.5%). The Thick Of It from 10.10pm averaged 920k (4.6%).
Five's evening of US crime shows began at 7.40pm with NCIS, which took 831k (3.1%), before CSI: New York and CSI: Crime Scene Investigation drew 903k (3.5%) and 1.31m (6%) at 8.35pm and 9.30pm.
Law & Order: Special Victims Unit had 1.2m (7.8%) in the hour from 10.30pm, while another CSI: New York averaged 869k (9.5%).
Overall, ITV1 came top during primetime with an average share of 29.6% to BBC One's 26.2%. BBC Two was third with 5.5%, followed by Channel 4's 4.8% (+1: 0.3%) and Five with 4.4%.
Over on the multichannel stations, The Xtra Factor attracted 1.1m (5.4%) between 9.30pm and 10.30pm.
BARB ratings data supplied by Attentional
