Behind the scenes of "New Earth".

David Tennant is interviewed during his first few days playing the new Doctor. The process of regeneration is closely examined, as we learn all about the Doctor's regeneration at the end of The Parting of the Ways, follow him as he chooses his new outfit in The Christmas Invasion, then join the Doctor and Rose on their first adventure together on New Earth.

Behind the scenes of "Tooth and Claw".

On the back of Tooth and Claw, this episode examines just how scary Doctor Who can be. The episode looks at how state-of-the-art CGI is used to create some of the Doctor's scariest enemies, and revists his bone-chilling fight with the Sycorax leader in The Christmas Invasion.

Behind the scenes of "School Reunion".

As well as going behind the scenes on School Reunion, this episode examines why former companions have decided to leave the TARDIS in the past, with interviews from the actors who played them. Also, the actors discuss what they think that their characters would be doing now, after leaving the Doctor and the TARDIS.

Behind the scenes of "The Girl in the Fireplace".

This episode looks at the production process that turns an initial script into a completed episode of Doctor Who.

Behind the scenes of "Rise of the Cybermen (1)".

This episode examines the history of the dreaded Cybermen, with memorable clips from the original series, and looks at the design process that brought the new-look Cybermen to our screens in the episode Rise of the Cybermen.

Behind the scenes of "The Age of Steel (2)".

A look at the journey Mickey Smith has taken over the past two series. Featuring key backstage scenes in his final episode, actor Noel Clarke provides an insight to life on set and beyond…

Behind the scenes of "The Idiot's Lantern".

Mark Gatiss, writer of The Idiot's Lantern takes us through the writing process, and explains the thrill a writer feels as his words come to life on set.

Behind the scenes of "The Impossible Planet (1)".

The design team is responsible for the look of Doctor Who, building sets and redressing locations to create the different time periods and alien worlds to which the Doctor travels.

Behind the scenes of "The Satan Pit (2)".

This episode looks at the various religious and mythical figures that the Doctor has come across on his travels.

Behind the scenes of "Love and Monsters".

This episode looks in detail at the development of the Doctor's latest foe from its origin as the winning entry in a "design a monster" competition on Blue Peter. New technology has allowed the expansion of the Doctor Who universe, through the interactive The Attack of the Graske episode and "TARDISode" downloads.

Behind the scenes of "Fear Her".

This programme looks at some of the scariest moments in the history of Doctor Who.

Behind the scenes of "Army of Ghosts (1)".

In a break from the normal programming, this episode takes a look behind the scenes of next year's spin-off series Torchwood.

Behind the scenes of "Doomsday (2)".

This episode takes a look back at the second series of Doctor Who and goes behind the scenes of the epic season finale.