Comedian Grado hosts three teams of contestants driving across Melrose, guided by a talking 'sat-nav' asking them questions along the journey. Answer correctly and they follow the shortest route, but a wrong answer means a wrong turn, a diversion and added miles to their trip. It is the team with the lowest mileage that wins the cash prize so they want to keep to the straightest road possible.

Comedian Grado hosts three teams of contestants driving across Firth of Forth, guided by a talking 'sat-nav' asking them questions along the journey. Answer correctly and they follow the shortest route, but a wrong answer means a wrong turn, a diversion and added miles to their trip. It is the team with the lowest mileage that wins the cash prize so they want to keep to the straightest road possible.

Comedy legend Grado hosts three teams of contestants driving to a new mystery destination, guided by a talking 'sat-nav' asking them questions along the journey. Answer correctly and they follow the shortest route, but a wrong answer means a wrong turn, a diversion and added miles to their trip. It is the team with the lowest mileage that wins the cash prize so they want to keep to the straightest road possible.

Comedy legend Grado hosts three teams of contestants driving to a new mystery destination, guided by a talking 'sat-nav' asking them questions along the journey. Answer correctly and they follow the shortest route, but a wrong answer means a wrong turn, a diversion and added miles to their trip. It is the team with the lowest mileage that wins the cash prize so they want to keep to the straightest road possible.

Comedy legend Grado hosts three teams of contestants driving to a new mystery destination, guided by a talking 'sat-nav' asking them questions along the journey. Answer correctly and they follow the shortest route, but a wrong answer means a wrong turn, a diversion and added miles to their trip. It is the team with the lowest mileage that wins the cash prize so they want to keep to the straightest road possible.

Comedy legend Grado hosts three teams of contestants driving to a new mystery destination, guided by a talking 'sat-nav' asking them questions along the journey. Answer correctly and they follow the shortest route, but a wrong answer means a wrong turn, a diversion and added miles to their trip. It is the team with the lowest mileage that wins the cash prize so they want to keep to the straightest road possible.

Comedy legend Grado hosts three teams of contestants driving to a new mystery destination, guided by a talking 'sat-nav' asking them questions along the journey. Answer correctly and they follow the shortest route, but a wrong answer means a wrong turn, a diversion and added miles to their trip. It is the team with the lowest mileage that wins the cash prize so they want to keep to the straightest road possible.

Comedy legend Grado hosts three teams of contestants driving to a new mystery destination, guided by a talking 'sat-nav' asking them questions along the journey. Answer correctly and they follow the shortest route, but a wrong answer means a wrong turn, a diversion and added miles to their trip. It is the team with the lowest mileage that wins the cash prize so they want to keep to the straightest road possible.

Comedy legend Grado hosts three teams of contestants driving to a new mystery destination, guided by a talking 'sat-nav' asking them questions along the journey. Answer correctly and they follow the shortest route, but a wrong answer means a wrong turn, a diversion and added miles to their trip. It is the team with the lowest mileage that wins the cash prize so they want to keep to the straightest road possible.