In the first of a new series, Confidential features the welcome return of Catherine Tate as the unstoppable Donna Noble and gets up close and personal with the Doctor's latest companion - from her first days on set through to her battle against an army of sinister Adipose.

Doctor Who Confidential travels the long road to Rome to witness the making of The Doctor's latest volcanic voyage. Filming at the famous Cinecitta Studios, the production team face an Italian job of colossal proportions and Confidential is on set to feel the heat. Plus David Tennant heads up Pompeii and climbs Mount Vesuvius in this latest Doctor Who Confidential exclusive.

The Confidential crew travel to the Ood Sphere to examine the return of the mysterious Ood to Doctor Who. They discover how a quarry in South West Wales in the middle of summer gets turned into a winter wonderland, and how David Tennant gets turned into an all action hero.

Join Confidential, as we take you exclusively behind-the-scenes as Martha greets the Doctor again and meets his latest companion, Donna Noble. As confusion abounds, The Time Lord, Donna and Martha join forces in a battle to save the human race.

For the first time in over 20 years, the Sontarans are back as Confidential explores the return of the ultimate warrior race. We speak to David Tennant and Colin Baker and go behind the scenes to look at the explosive Sontaran Invasion against U.N.I.T. forces.

Confidential opens a new chapter in history as the Doctor's daughter makes an appearance; plus a look at the Doctor's generation time line, and why two Doctors can be better than one. Featuring exclusive backstage footage and interviews from Doctors old and new.

Includes interviews with David Tennant, Peter Davison, Georgia Moffett and Russell T Davies.

Aired alongside 'The Unicorn and the Wasp'

Join Confidential, become an armchair detective and find out exactly what goes into creating a classic murder mystery. Find out what it's like behind-the-scenes with such a big ensemble cast and discover the mysterious events surrounding the real Agatha Christie.

Visit The Doctor and Donna on the set of the eerie Library Planet, as they confront the monsters of the Dark, the vicious Vashta Nerada

We examine the shadowy creatures that even the Doctor is terrified of, how they are created, and how a disused library in Swansea became the setting for all the universe's books, and look at the contribution of writer Steven Moffat to the new Doctor Who.

Featuring interviews with David Tennant, Catherine Tate, Russell T Davies and Steven Moffat.

Fresh from Stateside success and back in the UK to film her part in Doctor Who, Confidential talks to Alex Kingston and discovers more about her time travelling archaeologist River Song.

Doctor Who Confidential takes you behind the scenes of one the creepiest episodes of the series yet! As well as exclusive backstage footage, the show also reveals how the sound team put together the complicated soundscape of the hit show.

Behind-the-scenes look at the making of Doctor Who. The world is in crisis and there's only one person who can save it, but it's not who you might think. Witness the world without the Doctor, travels backstage with the TARDIS, and takes a stroll down the exotic Shan Shen Alley. There is also the return of an old friend to the show in the shape of Rose Tyler. Featuring an exclusive interview with Billie Piper and contributions from Catherine Tate, David Tennant and Russell T Davies.

A look at the history of TV's most popular alien monsters, the Daleks, from their creation 45 years ago to their latest incarnation. Plus, interviews with the show's biggest-ever collection of companions, and exclusive interviews with David Tennant, Russell T Davies, director Graeme Harper, art director Ed Thomas, and original Dalek designer Ray Cusick.

It's the end of series four and Confidential goes behind the scenes as we see the Doctor's Arch Enemy bring the universe to the brink of extinction.

Featuring interviews with David Tennant, Billie Piper, Catherine Tate, Freema Agyeman, Russell T Davies, Julie Gardner and Phil Collinson.