Blake's 7 (1978)

S1E12 Deliverance

The crew of the Liberator rescues a survivor from a ship that exploded during a mission to deliver medical supplies to Ensor, the survivor’s father. Meanwhile, Jenna is taken captive on the planet. The survivor, desperate and armed, coerces Blake into abandoning the planet by threatening Cally's life. On the surface, Avon is revered as a deity by a priestess who guides her followers, complicating the crew's efforts to rescue Jenna and escape the escalating situation.