With just four passengers left on board, the X-bus travelsfurther into Europe and one step closer to that £100,000prize. After thousands of kilometres, which of thesemi-finalists will fall at the last hurdle?Old alliances aretested as host Rob Brydon puts the remaining players throughmore devious challenges and has them hunting through mines forclues as well as looking to the stars for an advantage thatcould push even the strongest players out of the game.
