sentences:  David Banks, who had played the Cyber Leader in three serials in the early 1980s, submitted this storyline around the time that 'Attack Of The Cybermen' entered production in 1984.Script editor Eric Saward liked the idea, but felt that it would prove too expensive to film.Written by Philip Martin, this story was submitted on 28 December 1983 and dealt with an alien race returning to Earth to discover their "humanity" experiment has failed.