Asylum of the Daleks - AI:89

Doctor Who: Asylum of the Daleks had an Appreciation Index score of 89 - the highest score by far on either of the main two channels on Saturday night.

The score is a measure of how much the audience enjoyed the episode. It is based of a survey of 5000 people. The score of 89 is the highest achieved by Doctor Who since The Big Bang in 2010. It is the highest ever AI score for a season opener.