The trio notice that people in the coastal regions of this country are well-fed on the bountiful supplies of fish from the ocean, while those in the interior exist on the brink of hunger. Their solution is to find a way to transport that fish inland but, predictably, they cannot agree on the best method to do this.

The Grand Tour travelling tent arrives in Nashville, Tennessee from where Jeremy Clarkson, Richard Hammond and James May introduce their attempt to save the world’s coral reefs. In the interests of conservation, the three travel to Barbados and begin an earnest attempt to establish a new reef using only some car bodyshells as a foundation.