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Doctor Who: Knock Knock – Appreciation Index Score

Saturday’s episode, Knock Knock, had an Audience Appreciation (AI) figure of 83.

The Appreciation Index in an indication of how much viewers enjoyed the episode, based on the reactions of a selected panel of viewers, who rate the episode shortly after transmission.

The score of 83 is considered to be good, and it is in line with the average for the Capaldi era. It’s the same score achieved by The Pilot and Smile, and a tick down on Thin Ice‘s score of 84.
[Source: Doctor Who News]