Episode 42 of "Farscape"
s02e20 Liars, Guns, and Money(With Friends Like These...)
Title: Liars, Guns, and Money(With Friends Like These...)
Original Air Date: 01/12/2001 on Sci-Fi Channel
Plot Outline:
Scorpious buys the slaves containing D'Argo's son before D'Argo can. Some of the crew leave Moya in search mercenaries to rescue Jothee. Meanwhile back on Moya, the stollen money has turned into metal eating spiders that begin to consume Moya.
