It also saw Sydney personal trainers Luke and Scott become the first team in the show’s history to walk away with four perfect scores.
Seven won the network shares with 36.6% then Nine 28.9%, ABC 15.3%, TEN 14.5% and SBS 4.6%.
Following MKR for Seven was Seven News (1.05m), Home and Away (950,000), Today Tonight (908,000), Movie: The Proposal (892,000) and Deal or No Deal (433,000).
Nine News scored 1.09m for Nine then Cricket (953,000), The Block (842,000 in 4 cities), ACA (824,000), Hot Seat (553,000) and a Top Gear repeat (381,000 in 4 cities).
ABC News (942,000) was best on ABC1 followed by 7:30 (594,000), Qi (576,000), Shock Horror Aunty (558,000), The Agony of Life (539,000), Adam Hills: The Last Leg (380,000) and Would I Lie to You? (254,000).
TEN was unable to rise beyond TEN News (629,000) with The Project (493,000), The Simpsons (389,000), Movie: Little Fockers (372,000), and Glee (363,000).
On SBS ONE it was Tropic of Capricorn (222,000), Wildest Latin America (218,000), Masters of Money (177,000) and World News Australia (136,000).
Neighbours led multichannels with 239,000.