The first in a series of behind the scenes episodes exploring the BBC's latest sci-fi hit, Torchwood. Actor John Barrowman talks about being cast as Torchwood's leader Captain Jack Harkness. There is backstage footage, interviews with cast members and an in depth look into the creatures known as Weevils.

This new series goes exclusively behind the scenes of Torchwood, the latest creation from Russell T Davies. Eve Myles plays Gwen Cooper, the clever Cardiff cop who has found herself drawn into the fantastical world of Torchwood. Eve Myles and Executive Producers Russell T Davies and Julie Gardner consider the importance of Gwen's role within the Torchwood team. Plus, Edward Thomas, the designer of the magnificent "hub" setting, gives a guided tour around the film studio.

Burn Gorman plays Owen Harper, the series bad boy who witnesses a moment from history that he simply can't let go. Burn talks through what it's like to play Owen, how he handled this difficult storyline and what we can expect to see from Owen throughout the series. Executive Producers Russell T Davies and Julie Gardner also talk about how the storyline of episode three shows Owen in a new light.On set, Director Colin Teague and the cast talk through one of this episode's many action sequences. Plus, the writer and Producers talk about the importance of Cardiff as the location for this exciting drama series.

Actor Gareth David-Lloyd plays Ianto Jones, the mysterious one in Torchwood. Considering his inconspicuous role, this latest episode is a somewhat surprising turn of events for the unassuming Ianto. Cast and crew look at the downtrodden Torchwood team member and assess his betrayal. Backstage, cameras follow the filming of the attack from the cyberwoman. On set Caroline Chikezie, playing semi-converted Lisa, talks about this scene and the complex green screen elements and CGI which combine to create the pterodactyl attack. Plus, Executive Producer Russell T Davies and Creature Effects Designer Neill Gorton discuss how episode fours' Cyberwoman was conceived from script to screen.

Writer PJ Hammond and the Torchwood cast talk about this dark storyline and the surprising revelations of Jack's past. Backstage cameras follow the fairy storm hitting Jasmine's school, as well as the visually complex demise of step father Roy.

CGI effects, physical effects and scary children - this episode has it all. Director Alice Troughton and Executive Producer Russell T Davies talk about the production and bringing these demonic fairy creatures to life.

Naoko Mori talks about how her role of Toshiko Sato has changed since the early days of the series and executive producer Russell T Davies and director Colin Teague comment on the themes that are explored through Toshiko's journey. There's definitely something about Mary and the creative team talk about how they made Toshiko's out of this world lover.

Episode director James Strong and Executive Producer Russell T Davies analyse the return of Suzie. Religion, temptation and betrayal, this latest edition of Torchwood has it all. Cast and crew look at how this surprising resurrection has affected the Torchwood team.

Actor Paul Chequer talks about playing the role of the late Eugene Jones, the Torchwood fanatic whose untimely death sparks Gwen Cooper's latest investigation. Cast and crew talk about the making of this latest episode, plus behind the scenes cameras reveal how stunt co-ordinator Rod Woodruff made Eugene's hit and run look so realistic.

Torchwood is drawn into strong personal relationships as they help three time travellers adapt to contemporary life. Actors John Barrowman, Eve Myles and Burn Gorman comment on this latest script and storyline. Plus, episode director Alice Troughton talks about the making of the show. On location, cameras witness the filming of the scenes with the small 1950's passenger plane, as well as the visually complex and moving final moments of John Ellis (actor Mark Lewis Jones).

Owen Harper is led down a dark path that leads him to confront the future of his own existence. Actor Burn Gorman talks about the filming of this latest episode and Creator Russell T Davies and Director Andy Goddard comment on the storyline of 'Combat'. Plus, cameras go backstage to witness the action sequences with The Weevils, the strange alien creatures who have slipped through The Rift.

Transported back to the height of the Blitz, Jack and Toshiko face a dark secret about The Captain's past. Actor John Barrowman and the cast and crew talk about this latest storyline and what implications this twist has for the entire Torchwood team. Plus, behind the scenes cameras look at how the art department transformed the locations to make an authentic 1940s setting.

The finale sees chaos and death on a grand scale, Executive Producer Russell T Davies and Writer and Co-Producer Chris Chibnall analyse the climax to the first series. Cast and crew talk about the making of this epic episode. Plus, cameras go back stage and see how the creative teams brought the Rift's dramatic devastation to the small screen.