This high-octane episode sees the remaining pairs in some ofthe world's most iconic locations - from the secret rooftops ofVenice, traversing high above the busy bazaars of Istanbul,and breath-taking jumps onto moving train in the Chileandesert. The Bone Brothers enjoy a rare moment of respite on thegolden sands of Jamaica before an epic hunt for a scuttledvessel and a £200,000 question.