Doctor Who (1963–1996)Season 10Frontier in Space: Episode 3BBC One Duration: 25 minutes Audio described SignedFirst broadcast: Sat 10th Mar 1973, 17:50 on BBC One WestLatest broadcast: Sat 10th Mar 1973, 17:50 on BBC One WalesAvailable for yearsWatch nowAccused of being a spy, the Doctor is sentenced to imprisonment on the Moon while Jo is taken into the custody of an old enemy.GenresDramaSciFi & FantasyBrandDoctor Who (1963–1996)SeriesDoctor Who (1963–1996): Season 10 Source: BBC Online