Australian overnight ratings for The Girl Who Died and final ratings for Under t

The Girl Who Died has debuted in Australia, averaging 501,000 viewers in the five major capital cities. It was the second-highest rating ABC drama of the day and the thirteenth highest rating program of the day overall. These ratings do not include regional or time-shifted viewers.

Meanwhile, including time-shifted viewers, Under the Lake averaged 612,000 consolidated viewers in the five major capital cities. With 182,000 extra viewers, it was the highest time-shifted program of the day (the second highest time-shifted program only had an extra 95,000 viewers) and the eighth highest rating program of the day overall. These ratings do not include regional viewers.