[s15e18] | Underworld 2

: The story is loosely based on the Greek legend of Jason and the Argonauts , specifically their quest for the Golden Fleece, with "Underworld" serving as a sci-fi retelling of the journey to Colchis. Critical Reception & Production

Reports on the episode's quality are mixed, often highlighting the ambitious story vs. the limited production budget of the time:

: The Doctor discovers troglodytes working in a nebula's core full of caves, overseen by men who use "fumigation" as a means of control. [S15E18] Underworld 2

: This is distinct from the 2006 film Underworld: Evolution , which is also sometimes colloquially called " Underworld 2 ". "Doctor Who" Underworld: Part Two (TV Episode 1978) - IMDb

In this chapter of the four-part story, the Doctor and his companions explore a slave-labor mining society on a newly formed planet. : The story is loosely based on the

: You can find this classic episode on streaming platforms like Apple TV or Tubi .

: The society is controlled by "The Seers," who value radioactive energy over human life. : This is distinct from the 2006 film

: This serial is notorious for its heavy use of Color Space Overlay (CSO) , a primitive green-screen technique, to create the cave settings. Reviewers from IMDb note that while the lasers and some CSO effects work, others look "simply awful".