Graham Norton makes a surprise visit to the triumphant alliance and delivers a game-changing decision. The neighbours must agree, but will they see eye-to-eye? A friendly village BBQ explodes into a shouting match when tensions boil over, and one neighbour has a few choice words for everyone. With a war brewing between two houses, everyone is feeling the heat as the close heads for a dramatic third exit.

The secret Power House wastes no time to curry favour with a neighbour by gifting a lavish hamper, and for the next challenge the households are on Neighbourhood Watch duty.