S1, E3: With the world record attempt just around the corner, Luke and Taylor confront intricate challenges, from ensuring air supply for underwater divers to waterproofing the Mudcrab's crucial components. The countdown intensifies, and the team faces a potential explosive catastrophe if waterproofing fails. Amidst the pressure, Luke seeks out top-quality rims, leading to a unique challenge at Rohmy. The team grapples with weight distribution and encounters Outback Ringers legend Kurt Hammer in a thrilling bull-catching adventure.