Lexx (1997) : 1x3

The Lexx is forced to land on a planet to eat and replenish its energy supply. While they wait, Stanley and Zev go outside to bury Kai, who seems to have run out of the protoblood that kept him functioning. On their way back, Zev insists on investigating a structure. Too late they discover that it is filled with insane people obsessed with getting "clean bodies" to make "pattern."