A behind-the-scenes look at Doctor Who. This episode celebrates the Doctor's ultimate mobile home - the blue police box known as the Tardis.

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 Lazarus Experiment".

An episode of Doctor Who just wouldn't be the same without a monster to scare the living daylights out of you!

The creation of such a beast is never easy – especially when it's purely computer generated!

Confidential is on set throughout this chilling episode, spends some quality time with guest star Mark Gatiss and takes a look at some of the fantastic prosthetic and computer generated monsters created since the series made its welcomed come-back in 2005.