Imagine being dropped in a foreign country with no phone or flights, and tasked with racing across the globe on a very small budget.
Mother-daughter team Sharon, 52, and Brydie, 25, were knocked out in episode four, leaving four teams - Stephen and his wife Viv, Alfie and best mate Owen, siblings Betty and James, and mother-daughter duo Eugenie and Isabel all battling out in the final. As reported by The Guardian, two crew members carry out a recce of the route, with only one aware of what lies ahead - leaving the other to experience the race like a contestant.
"They're literally looking at the budget and seeing if it's possible to get by on less than 50 quid a day." He said "It's all very well doing it theoretically, looking at timetables and things" before adding "but until someone does it for real, you don't know where the difficulties might lie. He further commented to Broadcast: "How they made their journey was up to them. This meant as a production we had to react to their decisions, however nonsensical.
She said: "If there was a significant issue at home, we might allow them to speak to a nominated person but we really try to keep them in the bubble as much as possible."