Jeremy Clarkson, Richard Hammond, and James May travel to Central Africa with the goal of finding the definitive source of the River Nile . They aim to prove previous explorers wrong by traveling further and faster than anyone in history using only three aging estate cars : BMW 528i Touring Richard: Subaru Impreza WRX Estate James: Volvo 850R Estate Key Highlights

To survive the journey, the trio converts their cars into mobile homes . This DIY ethos—complete with welding, sewing, and even a "kettle with a cockerel" in Richard’s car—is a fan favorite.

Reviewers noted that the humor felt less forced compared to previous specials like the India Special. Moments of genuine frustration, like Jeremy's "petulant fury" when James stole part of his car door for repairs, provided organic laughs.

The cinematography is frequently highlighted as breathtaking , capturing the vast savannahs and lush forests of Uganda and Rwanda. [UK] Season 19 Episode 6 [Discussion/DL Thread] : r/TopGear