When Sir Reginald Styles claims to have seen a ghost, UNIT is called in. The Doctor and Jo spend the night at Styles' house and become the target of an assassin.

But that version of Skaro was created using older, cheaper special effects, well before the days of CGI. We've seen more impressive versions of Skaro in the modern episodes "Asylum of the Daleks ...

Captured in a time corridor, the Doctor and his companions are forced to land on 20th century Earth, diverted by the Doctor's oldest enemy - the Daleks. It is here the true purpose of the time ...

Alex Storer's new book charts the Evolution of the Toy Dalek through the ages, which is out via Telos publishing in March ...