The ancient entity Stigorax’s presence in the pipes, representing an environmental and supernatural threat to trapped survivors.

The Doctor and Ace navigate the treacherous pipe network beneath the Happiness Patrol’s domain. Their guide Wences warns of danger as Fifi’s howl echoes through the pipes, signaling the arrival …

The crystalline syrup comes down in a sudden crash, its thunderous fall echoing through the pipe and freezing Joseph in his tracks. His attention snaps away from routine enforcement toward …