A feature of Eric Saward's tenure as script editor (1982-86), especially, was the return of old enemies such as the Cybermen ('Earthshock
'), Sea Devils (Warriors of the Deep') and the renegade Time Lord Omega ('Arc of Infinity' (90)).
In 'Earthshock' (1982) the Fifth Doctor confronts the Cyberleader, both are unwilling to stand down as the Cybermen plan to change time and prevent Mondas from being destroyed by Earth.
In some senses, the Cybermen provided a similar mirror to the inadequacies of humanity in Doctor Who; the ruthless nature of 1980s Thatcherism and Britain's economic conservatism is played out in their attempts, seen in 'Earthshock' (1982), 'The Five Doctors' (1983), 'Attack of the Cybermen' (1985) and 'Silver Nemesis' (1988), to again relive their greatest achievements.
The final part of Earthshock
in 1982 was broadcast without end title music as a tribute to companion Adric who died in that story.
Rula Lenska as Styles tried to stop the Daleks in Resurrection of the Daleks, Nicholas Parsons played a vicar in The Curse of Fenric and Beryl Reid donned black leather to play Briggs and save the world from the Cybermen in Earthshock
its roots in a long history of smaller and bigger earthshocks
. The veto