[s15e18] Underworld 2 May 2026

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

: 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 [S15E18] Underworld 2

In this chapter of the four-part story, the Doctor and his companions explore a slave-labor mining society on a newly formed planet. : Critics generally find Part Two to be