Jenson & Lewis meet up with a hero of the past: Ayrton Senna's legendary MP4-4

Our two F1 World Champions, Jenson Button and Lewis Hamilton make a surprise visit to the world's greatest garage containing McLaren's F1 cars of the past. Amongst the hundreds of historic cars, they are stopped in their tracks by Ayrton Senna's legendary '88 car, the MP4-4.