The homegrown edition did even better, beating Channel 5 CCTV show, Assault & Robbery Caught on Camera, watched by 931,000 viewers at the same time on Tuesday.
ITV1 had to settle for a peak of 3.8 million viewers at the same time for its Euro 2004 final coverage.
Its nearest competitor was Channel Five's US import NCIS which pulled in 2.9 million viewers at the same time, a share of 14%.
Emmerdale pulled in 8.5 million viewers at the same time on ITV1 with another 253,000 on ITV1 HD, a total share of 34.1%.
Heston's Fantastical Food, in which he used all the latest gadgets to recreat childhood favourites, began with 2 million viewers, an 8.6% share, between 9pm and 10pm on Channel 4. Dara O Briain's Science Club launched with 1.5 million viewers at the same time on BBC2, including 160,000 people who watched on the BBC HD channel.
The display would use gaze-tracking to serve specific images to viewers, and would be able to actually provide different images to multiple viewers at the same time.
Ad tech companies are using big data techniques to target their advertising more precisely so ads are more effective for advertisers and less annoying for viewers at the same time.
The layers and sensors could also be used to present different images to multiple viewers at the same time – meaning you could do the kind of dual-screen gaming that Sony offered with its 3D gaming display, but without the need for active shutter 3D glasses.
Networks are in a tough position because they are ultimately serving the TV viewer, but at the same time they are trying to control their viewership audience.
But it could not top MasterChef: the Professionals, watched by 2.5 million viewers (10%) at the same time on BBC2, including 143,000 on BBC HD.
