Jeremy, Richard and James revisit their attempt to build amphibious cars, and face up to one of their biggest and choppiest challenges to date. Plus the Audi R8 attacks the Top Gear track and jazz/pop pianist, bandleader and television presenter Jools Holland (Later With Jools Holland) is the Star In a Reasonably Priced Car. 

In a Top Gear special, the team travel to Africa where they are challenged to buy a second hand car costing no more than £1,500 and in no way designed to go off road and drive across the wilds of Botswana. Along the way they must negotiate salt pans, rivers and reserves full of animals while facing sweltering heat and suffocating dust.