Tom Gleeson puts four more self-proclaimed experts through the Big Brass wringer. Tom tests four hopeful hotshots on Kanye West, Gavin & Stacey, Robert F Kennedy, and the books of Jane Austen.
The Young Guns tackle their new mine with the lack of air causeing a headache. Pete and Sam have one last chance to find opal to keep their operation alive.
A final nail bitting Road Block forces the teams to walk across a suspended ladder bridge that hangs 80 metres off the ground and into the abyss of the mountains.