A first sneak peak of the new access-all-areas series Doctor Who: Unleashed. Go behind the scenes of this Children in Need special with Steffan Powell and David Tennant and find out more about the Fourteenth Doctor's first on-screen adventure.

Presenter Steffan Powell finds out from David Tennant and Catherine Tate what it's like to film Wild Blue Yonder on the hottest day of the year, he gets some work experience in the camera department, and we get the lowdown on the set from the Doctor Who production designer.