The Doctor, Liv and Helen are travelling once again in the universe of space and time... They find some old enemies causing havoc on a temporal research station, before a trip to the Isle of Man in the 1930s, where they encounter a famous enigma. Contains two stories: Paradox of the Daleks by John Dorney (2 parts). When the TARDIS is drawn to a space station running temporal experiments, the crew discover Daleks in control in the aftermath of an invasion, But these are no ordinary Daleks... To stop his mortal enemies gaining control of the time technology the Doctor must work out why these Daleks are here and where they came from. A war fought through time has many fronts - and in this battle, the Doctor, Liv and Helen will face mortal danger in every time and place they find themselves. The Dalby Spook by Lauren Mooney and Stewart Pringle (1 part). After encountering Harry Price, the Doctor decides to solve an infamous case before the paranormal debunker can. But Liv and Helen are more concerned for the girl at the centre of events. What is really going on at the remote Isle of Man farmhouse? And who is Gef, the talking mongoose? CAST: Paul McGann (The Doctor), Nicola Walker (Liv Chenka), Hattie Morahan (Helen Sinclair), Nicholas Briggs (The Daleks), Felicity Cant (Voirrey Irving), Richard Earl (Jim Irving), Philip Jackson (Harry Price), Joseph Millson (Peetom), Harry Myers (Mister Timms/Gef), Amy Rockson (Jemash). Other parts played by members of the cast.