The Block finale attracted just under two million viewers overnight, as the reality home improvement show gave Nine a massive victory in Sunday night's primetime slot.
Split into two programs, the Winner Announced section of the finale attracted 1.92m metro viewers, while the Grand Final section drew in 1.54m.
The national average audience for the Winner Announced was 2.56m, as the show drew in a further 643,000 regional viewers, while the Grand Final has 2.06m national when factoring in a further 525,000 regional viewers.
The show proved to be a success for Nine once again, often securing audiences of over one million and rarely slipping below 850,000 metro viewers throughout the show's 15th season.
Despite dominating primetime for the majority of its run, The Block's finale was once again down year-on-year, with last year's Winner Announced and Grand Final drawing 2.02m and 1.67m metro viewers, respectively.
Elsewhere in primetime, Seven's Bride and Prejudice continued to struggle up against Nine's offering, with the latest episode in the series drawing just above 450,000 metro viewers and reaching a national audience of 685,000.
Ten, following the end of its success with The Masked Singer, is still yet to introduce a new primetime program on Sundays, instead running an episode of The Graham Norton Show, which drew 242,000 overnight metro viewers.
In the overnight main channel and network race, Nine was dominante, taking a 32.6% main channel share, compared to Seven which came in second with 15.2%, followed by the ABC with 10.1, while Ten slipped to fourth and below double digits with 7.2%.
In the network share battle, Nine recorded a massive 42.4% share, Seven followed with 24.4%, while the ABC recorded 14.2% and Ten managed 11.3%.
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