Kim can be seen telling the camera, 'I call it sabotage.'
Cutting to Mel telling the mother-daughter duo, 'You girls are b****s aren't you?'
Kim adds, 'They [Mel and Dave] will stomp on you for the sake of winning.'
Mel then tells the camera, 'Win, win, win,' with a huge smile on her face.
The Backyard Battles continue this week on Channel Seven.
Related: House Rules Mel and Dave's scandalous love secret
Related: House Rules Chiara labels other contestants as fake
This week on fun TV podcast, Binge List, Matt, Clare and Gavin name their top 5 shows of 2018 so far, their biggest disappointments, their favourite Aussie dramas, and the best of reality TV. They also cast a surprising spotlight on some shows you thought were long gone. Subscribe on iTunes: http://po.st/syE3JF or OMNY: http://po.st/IlEcNa
