As December arrives, the adventurer witnesses the final leg of the epic migration as the wildebeest, who by now have now travelled 500km through the Serengeti and Maasai Mara, loop back into Tanzania. It is said that for the Maasai tribe warriors to prove their manhood, they must slay a lion. However, the killing of lions is illegal in the Serengeti, so Ben investigates the claim further by revisiting Maasai family he met earlier in the series. He also explores the significance of active volcano Ol Doinyo Lengai in ensuring a successful migration. Last in the series
