Some say he invented Betamax, and it’s subsequent failure is the reason why he never talks. All we know is that this DVD is a tribute to the most epic Stig moments of all time. What’s the quickest way to get across London? Jeremy, James and Richard choose a car, a bike and a powerboat. While a disorientated Stig tackles public transport. Is it possible to get a tube and a bus sideways? Using an…