The one-off three hour epic show celebrates ITV's 50th anniversary and announced the results of the channel's viewers' poll where the public could vote for the programmes they considered to be the greatest since ITV was set up in 1955.
It ran between 7 and 10.15pm and hit a peak of 6.8 million (31.5%) at 10pm as viewers switched over to see Coronation Streetbeat off the competition to be voted ITV's greatest ever show.
Earlier in ITV1's schedule, The X Factorenjoyed another strong week with 7 million (39.1%) at 6pm.
ITV's competition wasn't fierce during peaktime hours - Channel 4's film GI Janehad an unimpressive1.6 million (8.7%) between 9.15 and 11.30pm, and BBC2's Kelly's Heroeshad the same over the same period.
On BBC1, live coverage of the Last Night of the Proms, the climax to the 2005 concerts, inspired a patriotic 4.3 million (20.4%) at 9.15pm, and CSI: Crime Investigationon Five had 2.6 million (11.9%), offering better competition to ITV than C4 and BBC2.
Sport fared well on Saturday night but the Big Fight Liveon ITV1 at 10.30pm, which had a sizeable 2.8 million (18.6%), could not outdo Match of the Dayon BBC1 which had 3.3 million (24.9%).
During the day the cricket coverage, which has performed exceptionally well this year, started off well with 2 million (25.4%) during the morning coverage between 10.30 and 12.30pm. Afternoon coverage was interspersed with racing from 1pm until 3.30pm, getting 1.6 million (17.7%), but from 3.30pm until 6.45pm when the match broke for the day, C4 averaged 2.5 million (18.3%).
The fifth test coverage in its third day peaked at 6pm with 3.8 million (22.6%).
All-day shares for 10 September 2005: ITV1 - 20.1%, BBC1 - 18.4%, C4 - 11.7%, BBC2 - 10.7%, Five - 6.6%, multichannel - 32.4%.