Waters of Mars Appreciation Index

The Waters of Mars scored an AI of 88.

The score was the second highest of the weekend, only beaten by Foyle's War on ITV1.

The AI - Appreciation Index - score is a measure of how much an audience enjoyed a programme. The average score for drama is 77. For any programme, a score in excess of 85 is excellent. Any score in excess of 90 is exceptional. Any programme that falls below 60 has received a poor AI.

Meanwhile, Sunday has been dubbed "Super Sunday" by the media, as the total TV audience for peak hours was the highest since January 2000.