Ratings Information:

Initial figures: 0.728m viewers (overnight), 10th place day
Consolidated figures: 0.842m viewers, 9th place

The figures above only include viewers in the metropolitan areas of Adelaide, Brisbane, Melbourne, Perth and Sydney. These are referred to as the "5 City Metro" ratings.

Overnight
Cold War has debuted in Australia, averaging 728,000 viewers in the five major capital cities. It was the ABC's top-rating drama of the day and the tenth highest rating program of the day overall. These ratings do not include regional or time-shifted viewers.

Consolidated
Cold War has picked up an additional 114,000 time-shifted Australian viewers, giving it a final, or consolidated, ratings average of 842,000 viewers in the five major capital cities. This was the fourth largest number of time-shifted viewers for a program broadcast on Sunday 14 April. The final or consolidated ratings includes all 'time-shifted' viewers who record the program and watch it within a week.

Based on these final figures, Cold War was the top-rating ABC program of the day and the ninth highest rating program of the day overall (this compares to it being the tenth highest rating program based on its overnight figures of 728,000 viewers). These ratings do not include regional viewers.