[s15e18] Underworld 2 ✰

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

: 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 [S15E18] Underworld 2

: The society is controlled by "The Seers," who value radioactive energy over human life. : The Doctor discovers troglodytes working in a

: Critics generally find Part Two to be the weakest segment, describing it as "extremely dull" with roughly 20 minutes of "walking around and gas". [S15E18] Underworld 2