Slovenia: David Harewood and best friend Fraser James swap the sets of Hollywood for a new challenge in Slovenia where they face some of the most dangerous roads in Europe. [S,AD]
Namibia: Mike Wozniak and Ola Labib head to one of the wildest places on Earth - the Namib desert - to meet for the first time and have each other for company on their journey. [S,AD]
Ho Chi Minh Trail: Sue Perkins and Liza Tarbuck have to dodge unexploded bombs as they tackle the Ho Chi Minh Trail, a mazy network of dangerous roads through Laos and Vietnam. [S]
Sri Lanka: Former Soccer Saturday buddies Jeff Stelling and Chris Kamara reunite for an epic journey across Sri Lanka where they reaffirm their friendship along the way. [S,AD]
Siberia: Comedic chums Ed Byrne and Andy Parsons brave freezing temperatures as they drive across Siberia's infamous Road of Bones, encountering icy tracks and deserted gulags. [S]
Namibia: Mike Wozniak and Ola Labib head to one of the wildest places on Earth - the Namib desert - to meet for the first time and have each other for company on their journey. [S,AD]
Sri Lanka: Former Soccer Saturday buddies Jeff Stelling and Chris Kamara reunite for an epic journey across Sri Lanka where they reaffirm their friendship along the way. [S,AD]
Guatemala: Joe Swash and Seann Walsh are no strangers to jungles after appearing on I'm A Celebrity..., but neither of them has sought an ancient Mayan temple in Guatemala before. [S,AD]
Italy: Rhod Gilbert and friend and fellow comedian Angela Barnes cross Italy's most treacherous Alpine roads in Rhod's first adventure since being treated for cancer. [S,AD]