Big Brother Series 4 Episode 38 Day 31 Highlights ( Air Date 2003-06-29 ) Genre Reality category. Overview "Watch as the housemates take on a task set by Big Brother, live to the nation. The housemate draw straw's to discover who will be entering the reward room, which has a new housemate awaiting them inside. 35-Year old Lisa. Ray and Nush are first to greet the new contestant....".