Blake's 7Series 3UltraworldBBC Duration: 50 minutesFirst broadcast: Mon 10th Mar 1980, 19:20 on BBC One WestLatest broadcast: Mon 6th Jul 1981, 19:20 on BBC One WalesTo the crew of the Liberator the strange artificial planet appears lifeless but Ultraworld contains an enemy as dangerous as any they have met before.GenresDramaSciFi & FantasyBrandBlake's 7SeriesBlake's 7: Series 3 Source: BBC Online