Week 2 – Sheep herding – The teams went head-to-head in pairs to pen seven sheep each – young vs old. The winners of each heat went head-to-head in the final round. The winner of the final round won a 2 kg advantage at the weigh-in. As the white team were three members, Ryan, Brenda and Alex from the Blue, Red and Black teams were required to sit out to give the challenge an even playing field. In the first heat, the red team whitewashed the white team, by a score of 6–0 by the twenty-minute time limit. Following two instances of runaway sheep in the second heat, the black team defeated the blue team by a score of 3–1, leaving the over-30s teams to battle for the advantage. In the final, the red team defeated the black team to win the advantage by a score of 7–3. Week 3 – Valley Stampede – In a change from the previous challenges, There was no prize for coming first – it was all about not coming last. Two people from each team had to take part in a 2 km obstacle course, filled with mud. Whichever team came last got a 2 kg weight disadvantage at the weigh-in. Hamish and Luke, Lisa and Lydia, Simon and Graham and Bek and Kasey respectively were the pairs taking part. For the second time in two weeks, the red team won the challenge, closely followed by the white team. Both Hamish and Graham struggled for their teams, but in the end, it was the black team who finished first. Week 4 – Hell Hill – As part of Boys vs Girls week, the contestants competed in two teams. They had to climb 60m up a steep hill of sand as a team fifty times in a relay and collect a flag. Each person had to race at least once. The first team to fifty laps won a 2 kg advantage at the weigh-in. After an initially close race, the girls' team were the winners by four laps, taking the 2 kg advantage and a second win in a row against the boys. Week 5 – Sand and Sea – The teams were faced with a challenge similar to Week 3's – there was no prize for the winners – it was all about not coming last. The four teams had to assign "diggers" and