BBC Earth (HD)

Michael Portillo's Bradshaw's 1913 Handbook of Indian, Foreign and Colonial Travel leads him on railway journey through the modern south Indian states of Karnataka and Tamil Nadu, from the former princely state of Mysore to the first stronghold of the East India Company in Chennai, formerly Madras.

Bass is big in America, so Robson is heading to Michigan for the coveted Bass Grand Slam. He's on one of the best bass fishing lakes in America, but is it enough to secure the prize?

A flood brings new challenges for the big cats; for the first time, the lion cubs experience water and the danger it brings.

Curator and scholar Peter Lee explores how the Bagan Empire grew and how its legacy still echoes in the modern nation.

Robson is in Costa Rica going for an epic Billfish Grand Slam. He must travel twelve hours to the best fishing spot so he has just one shot at his mission. Has he got the strength to reel in three billfish before the sun sets?

A tiny chameleon faces the journey of a lifetime in a Madagascan forest, and a water vole in Scotland swims across a loch and scales a mountain to find new territory and a mate.

For the last leg, Paddy and Chris head to Switzerland to see if its cutting-edge treatments, medical science and health shortcuts can keep them younger for longer, inside and out.

In Tuscany, Ben meets British couple George and Sophie who have breathed new life into a farmhouse. George's desire to live self-sufficiently lead to a lifelong project.

Robson is in Costa Rica going for an epic Billfish Grand Slam. He must travel twelve hours to the best fishing spot so he has just one shot at his mission. Has he got the strength to reel in three billfish before the sun sets?