Prisoner of the Judoon achieved an Appreciation Index of 81 for Part One and 86 for Part Two. Both scores are much higher than the average score for children's television, which is 72. Friday's score was the second highest on BBC One for the day. AI scores for Series Two ranged from 75 to 86.
The Appreciation Index is a measure of how much the audience enjoyed the programme.
Season Two ratings and AI can be found here.