First broadcast: on BBC Radio 4 ExtraLatest broadcast: on BBC Radio 4 Extra
The Time Lord, Tegan, Turlough and Nyssa run into a group of hygiene-obsessed settlers under attack. Fifth Doctor adventure stars Peter Davison and Janet Fielding.
This data is drawn from the data stream that informs BBC's iPlayer and Sounds. The information shows what was scheduled to be broadcast, meaning it was/is subject to change and may not be accurate. More
