18:30Doctor Who (1963–1996)Season 15Underworld: Part 4BBC One Duration: 25 minutes Audio described Signed Sat 28th Jan 1978, 18:30 on BBC One South WestAvailable for yearsWatch nowThe Minyans are eager to recover the race banks that they have waited so long to find, but the Doctor becomes suspicious when the Oracle simply allows Jackson to take them.GenresDramaSciFi & FantasyBrandDoctor Who (1963–1996)SeriesDoctor Who (1963–1996): Season 15 Source: BBC Online