Heroes Unmasked comes straight from the director's chair this week, as the men and women at the helm of Heroes reveal what it takes to call the shots.

From production meetings to technical recces, shot lists to storyboards, the journey from script to screen is followed with these eminent directors as they share their fears and thrills at leading such a massive production.

Joining these directors on set with exclusive behind the scenes footage, it is clear that Heroes has recruited some of the best directing talent that Hollywood has to offer, as they reveal some of the tricks of the trade that makes Heroes such a visual treat.