Final figures issued by BARB show the UK premiere of The Waters of Mars was watched by 10.32 million people.
On BBC1 the programme got 9.94 million watching, making it the second most watched programme of the week on the channel, just behind Strictly Come Dancing. However an additional 376,000 watched the simulcast on BBC HD. If these figures are combined then the rating is pushed above ten million and makes the programme the 5th most watched on British Television for the week. It got higher ratings than all the Soaps and was only beaten by the ratings juggernauts The X Factor, Strictly Come Dancing and I'm a Celebrity Get Me Out of Here.
If the HD figures are included in the total then the rating makes The Waters of Mars one of only 9 out of 754 episodes of Doctor Who to have made the top five programmes for the week. In terms of raw ratings, it is the episode with the 95th highest rating on first showing. Since the series returned in 2005 only four episodes have beaten this rating.
On Multichannel Television the HD showing is the biggest audience ever achieved by BBC HD, nearly 100,000 higher than the second placed programme. On BBC Three, Doctor Who Confidential was watched by 0.63 million with an additional 100,000 watching on BBC HD. This gave the episode a total rating of 0.73 million and made it the 19th most watched programme on Multi Channel TV for the week.