Of course, manning three different vessels across a 2,000 mile-long river proved more difficult than expected, and the three motorists ran into a number of issues.
Throughout the feature length special, the trio faced imminent death as they sailed through the eye of a storm.
Teasing the upcoming second episode of season four, James May made a bold claim about one of their most dangerous missions yet.
Of the trip to Madagascar he said: “It wasn’t as hairy as the boat one, which was stupid, on reflection.”