Doctor Who (1963)

Episode Overview

The Doctor finds himself captive in Trenchard's clutches as the Master seeks to reach out to the Sea Devils. Tension builds as the Master’s plans unfold, putting both the Doctor and the fate of the ocean’s inhabitants at risk. The Doctor must devise a clever escape while trying to thwart the Master’s sinister intentions. As the two foes clash, the stakes rise, leading to an inevitable confrontation with the fearsome Sea Devils lurking beneath the waves.