The neighbours face their biggest decision yet during alliance week. Graham Norton asks them to pair up with another household, and true colours show when friendships are cast aside. One unlucky household is left on the sidelines, but will their fortunes change with the arrival of a new family?

Two households come under fire at the third removal, and another realises they must go against their friendships and vote tactically. After the tense removal, Graham Norton hosts a cocktail party for the neighbours to relax. This event serves to secretly introduce a new family, allowing them to spy on the residents before their official introduction