[s15e17] | Underworld 1

: Stars Tom Baker as the Doctor and Louise Jameson as Leela.

: This episode is available to stream on platforms including BritBox and YouTube TV . [S15E17] Underworld 1

: The Doctor reveals that the Minyans are "old friends" of the Time Lords. Thousands of years ago, Time Lords intervened on Minyos, but the Minyans eventually used the gifted technology for civil war, leading to the Time Lords' strict policy of non-intervention. : Stars Tom Baker as the Doctor and Louise Jameson as Leela