In this episode of Supercar Megabuild, engineers Ralph and Ranen are being put into the deep freeze. Their mentor, car designer, Afzal Kahn has been contacted by a client and friend, asking him to produce a vehicle capable of surviving winter conditions, taking on difficult terrain…and crossing deep snow. To complete their mission, Ralph and Ranen begin by testing out the vehicle given to them by their boss - a comfortable, conservative executive saloon - the Audi A8. Putting it through its paces at an indoor ski centre, they show this vehicle has a long way to go before it can stand up to the clients brief.