You've seen the future, now step back into the past, as the cameras of Heroes Unmasked show the Petrellis as you've never seen them before, joining them for a family gathering with a difference. As the sinister layers are peeled back, 'Creating a Monster' reveals the extent Arthur Petrelli is prepared to go to in his pursuit of power, where not even his family can stand in the way... And surprises continue to come thick and fast this week, as a hidden side to Knox is also discovered, raising the question, 'Are we born evil, or do we have evil thrust upon us..?' With this week's events all leading back to the first episode of the first series, Heroes Unmasked helps provides some answers to the interweaving web of intrigue that is Heroes.