This episode talks with the directors and what they went through to find the actors for the show.

In this episode Tim Kring talks about the process the writing team uses to create the scripts.

This episode is all about the stunt team.

This episode focuses on the set designers and talks about how they've made all the different sets without ever leaving LA.

This episode focus on the Bennet family and how their lies have effected them

This episode looks at the heroes of the show and talks about how the company they keep seems to keep getting them into trouble.

Set five years in the future, this episode hears how the cast and crew created a nightmare vision of a horrifying world.

Now that we know the fate of our Heroes, this is the chance to look back at the highs and lows of their extraordinary journey.

A look back at the first series of Heroes, with exclusive contributions from cast and celebrity fans including Fearne Cotton, Reggie Yates, Angela Griffin, Ricky Gervais and Jon Culshaw. Critics and writers Danny Wallace and Andrew Collins look at where Heroes now resides in the sci-fi landscape, and there are snippets from the Heroes world tour, footage from fan conventions and a sneak preview of the second series.

Unmasked goes behind the scenes of Hiro's journey to feudal Japan as he meets his childhood hero Takezo Kensei. The audience learns how feudal Japan came into being, and meets some of the new faces who are about to start their heroic journeys.

This episode goes back into the dark history of the heroes, and also looks at the current trouble the Petrellis are in.

We take a look at the Bennet family and how they are adjusting to their new life underground. As well as look into Claire's regenerative powers some more.

With new heroes come new powers - but none so dark as the black tears of Maya. Emitting a black poison that kills all around her, Maya's power is a burden, as unwelcome to her as to those around her. With her twin brother Alejandro as her antidote, the siblings are on the run, leaving a wake of death and destruction in their path.

Matt Parkman is a cop who is down on his luck. He's lost his wife, he's made Molly fall into a coma, and now he knows his own dad has the power to manipulate minds. Matt really is having a nightmare, in more ways than one. This episode features candid interviews with Greg Grunberg, Adrian Pasdar and the behind-the-scenes teams, as they reveal the brain power behind one of the most complex sequences to date, and the haunting yet stunning nightmare scenes that provide the setting for Nathan and Matt's battle royale.

From feudal Japan to future New York, it's up to the production team to create the look and style of the show and bring these worlds to life. So with the arrival of the Dawson family on our screens, how did they find the New Orleans locations in the middle of LA? With insights into Heroes' shooting style and graphic look, Heroes Unmasked finds out what goes into turning the writer's words on the script, to the stunning worlds on screen, whether filming in their Hollywood studio, out on location, or using the magic of CGI.

In season 1, our heroes had to save the cheerleader to save the world. This time, the stakes are raised and it's now a deadly virus that's set to wipe out the globe. In an episode where you're not quite sure who to believe, Stephen Tobolowsky (Bob Bishop) talks us though the global threat that the virus plays and the Company's attempts to stop it. The task of changing history falls on the shoulders of Peter Petrelli, who gives his side of the story, as he befriends a new hero.

In this episode, Heroes Unmasked takes a step behind the casting couch for some exclusive interviews with the casting agents. Kristen Bell discusses how she achieved her electric performance as Elle, Dana Davis talks about Monica's crazy stunts, and Stephen Tobolowsky tells Heroes Unmasked how he makes Bob a little ambiguous. Also featured are interviews with Nichelle Nichols (Nana Dawson), Zachary Quinto (Sylar), Nick D'Agosto (West), Noah Gray-Cabey (Micah), Milo Ventimiglia (Peter), George Takei (Kaito), Jeph Loeb, and Tim Kring.

The paintings have come to pass, and H.R.G's worst fears have come true. His friends have betrayed him, his family is mourning him, and now the Company's trapped him. Life for this ex-paper salesman really is in shreds. Through Heroes Eyes follows the journey of H.R.G to date that led up to his dramatic demise amidst the setting Californian sun, and hears from all the principal cast and production team as to how they brought a little of the Wild West into Heroes.

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This episode explores the quasi-religious themes that are developing in Heroes, as the audience finally starts to find out where the various heroes and villains are getting their amazing powers from. Interviewed are Malcolm McDowell (Linderman), Cristine Rose (Angela Petrelli), Masi Oka (Hiro Nakamura) and executive producers Tim Kring and Mark Cossey.

As this week's episode of Heroes resurrects Arthur Petrelli, long thought to be dead, we look at the general idea of characters coming back from the dead, how they are introduced in the show, and how they change the relationships of the existing characters. Interviewed are Cristine Rose (Angela Petrelli), Adrian Pasdar (Nathan Petrelli), Milo Ventimiglia (Peter Petrelli) and Jack Coleman (HRG).

Heroes Unmasked takes a further look into the trials and tribulations of troubled teen, Claire. Having come face to face with Sylar in episode one, she also has an absent dad and two mums to deal with. With Claire and her family in greater danger than ever before at the creepy hands of puppet master Eric Doyle, Unmasked pulls the strings of all the leading cast to see how they created scenes with such tension and fear. And through speaking to the show's producers and writers, Unmasked reveals how those sinister scenes with Sylar borrow from the greatest traditions of teenage horror movies to show how life for Claire Bennet will never be the same again.

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Voices gives a chance for actor Greg Grunberg, who plays Matt Parkman, and Heroes creator Tim Kring to reveal more about the man behind the mind reading.

Heroes Unmasked goes behind the scenes to gain a fantastic insight into Sylar and what makes this watchmaker tick. THIS CLIP WILL CONTAIN GORY SCENES.