BBC Earth After meeting several electric eel attack victims and hearing stories of people who lost their lives, Cyril is determined to catch the biggest one possible and measure its voltage. 2026-08-05 The team enter the Serengeti where lions roam free and danger is always near. With water running out, their final challenge awaits. 2026-08-05 Robson is joined by his footballing hero, Alan Shearer. The pair go mackerel fishing off the Northumberland coast, spot dolphins in the wild and go flying in vintage aircraft. 2026-08-05 Robson joins singer KT Tunstall in her home territory of Fife as they explore the beaches of her childhood near St Andrews, followed by a sea shanty workshop and jewellery making. 2026-08-05 Griff hits Memphis to trace the roots of blues, soul, and rock'n'roll on the banks of the Mississippi. 2026-08-05 Mist swirls around the base of Shanghai's skyline. From the city, tigers and monkeys seem as unreal and distant as dragons and mermaids emerging through the mist. Yet they exist. 2026-08-05 The team enter the Serengeti where lions roam free and danger is always near. With water running out, their final challenge awaits. 2026-08-05