Seven's controversial Seven Year Switch scooped 858,000 viewers on debut, but couldn't push My Kitchen Rules off the top of the leader board.
The show, which had been subject to a spate of petitions before launch with calls to have it taken off air, was the seventh most watched show of the night, but number two in terms of entertainment programs.
Seven Year Switch sees couples on the brink of break-up put their marriages to the test, with each matched with a compatible, single person who they are to live with for two weeks.
According to Trends Australia the show's hashtag, #sevenyearswitch, was trending on Twitter during its broadcast.
The top watched program was My Kitchen Rules, which continued its unstoppable TV ratings run with 1.4 million viewers.
My Kitchen Rules and Seven Year Switch also pulled in at number one and number two respectively across the demographics of 16-39, 18-49 and 25-54 age brackets.
Nine's Here Come the Habibs came in at number 12 with 683,000 viewers, while ABC's documentary Keeping Australia Alive, which provided a snapshot of Australia’s health care system was the 20th most watched show with 500,000 viewers.
Seven won the night on 32.5% audience share, followed by Nine on 27.2% and then Ten on 16.9%. Trailing just behind was ABC on 16.5% audience share and SBS earned a 6.9% share.
Data © OzTAM Pty Limited 2015. The Data may not be reproduced, published or communicated (electronically or in hard copy) in whole or in part, without the prior written consent of OzTAM. Program performance and ranking information subject to change when not based on final program logs.
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