Saturday’s Christmas special episode of Doctor Who, The Husbands of River Song, had an Appreciation Index score of 82.
The Appreciation Index or AI is a measure of how much the audience enjoyed the programme. The score, out of a hundred, is compiled by a specially selected panel of around 5,000 people who go online and rate and comment on programmes.
Though the episode is not technically a part of series 9, The Husbands of River Song‘s AI of 82 puts it towards the higher end of scores achieved in episodes this year, sharing a score with The Girl Who Died, The Zygon Invasion, and Hell Bent.
The complete AI scores for Series 9 are as follows:
The Magician’s Apprentice, Under the Lake, The Zygon Inversion & Face The Raven – 84
The Witch’s Familiar & Before the Flood – 83
The Girl Who Died, The Zygon Invasion, Hell Bent, & The Husbands of River Song – 82
The Woman Who Lived – 81
Sleep No More – 78