Sarah Kong

The four new teams arrive at The Block and it doesn't take long before they start lying to get the best house.

Tempers flare as teams steal each other's building materials and Brooke questions Peter Wolfkamp.

It has been a difficult week. And with only 24 hours to go before the children's rooms are unveiled, small delays can have enormous consequences for the four teams.

The teams have to make up for hours because of four failed construction inspections. But when time gets the better of a team, the question is whether they will risk further delay or eventually take matters into their own hands.

If they want to deliver their child-friendly rooms on time, the four teams need to step up the pace. Budgets are tight, and the teams have borrowed money to get ahead.

There is a gloomy atmosphere in the block. Two rooms reveal that the elimination had an impact.