The Knock-out round is split into three parts; The first part was a skills test which required teams to fillet a fish in 10 minutes. The team that did the best job gained an advantage of allocating a main ingredient for themselves and the other teams to use in the second challenge. These included; brains, lemon & limes and ocean trout. Teams must produce a dish with their allocated ingredient in one hour, one team is safe while the other two go into a final Sudden Death round. For this, teams must produce their signature dish for scoring by the guest and host judges, the lower scoring team is eliminated. The two surviving teams advance to the Top 5 finals round.