Episode 1
Actor Will Mellor cajoles one of his best mates - comedian Keith Lemon - to join him on a high-octane road trip in Albania.
Episode 2
Another thrill-seeking adventure, this time with long-term mates Joe Wilkinson and Zoe Lyons - who've travelled to gigs together for years - taking on the wilds of eastern Turkey.
Episode 3
Certified 'indoorsman' Phil Wang convinces best friend Pierre Novellie - also not much better at outdoor stuff - to join him in Africa's Kingdom in the Sky.
Episode 4
Another thrilling escapade in the wild - this time sees actor Stephen Mangan and comedian Lara Ricote, who have never met before, aim to reach the northernmost point of Australia.
Episode 5
Ed Gamble and Lou Sanders have been friends for years, so much so that she's bought a 'his 'n' hers' set of driving gloves to tackle a dangerous 1000 kilometres of Iceland.
Episode 6
Jamie-Lee O'Donnell and Saoirse-Monica Jackson, who are best friends and stars of the hit sitcom Derry Girls, head way out of their comfort zone as they tackle rugged Romania.
Episode 7
Darren Harriott is a former bouncer and self-confessed city boy, while Ria Lina is full of adventurous spirit with a PhD and autism. How will they fare travelling in South Africa?
Episode 8
Comedians Maisie Adam and Suzi Ruffell wouldn't call themselves road aficionados - it took 10 goes to pass their driving tests between them - but they're tackling Morocco anyway.
