[s15e18] Underworld 2 Access

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

In this chapter of the four-part story, the Doctor and his companions explore a slave-labor mining society on a newly formed planet. [S15E18] Underworld 2

: 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". : You can find this classic episode on

: 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 a primitive green-screen technique