Contrary to fan rumor, writer Sophie C. Hopkins is not related to Welsh actor Sir Anthony Hopkins, but is an American TV scriptwriter.
The "fan-room" (known to the Production Crew as the "Scrubbers' Room") was created for this episode by designer Tim Ferrier and later used in various episodes this season.
Jim Henson's Creature Shop proposed creating a master plant, along the same lines as the alien plant "Audrey Two" from the off-Broadway musical and film Little Shop of Horrors.
Can Crichton smell wormholes? This is the first time we see Crichton accurately sensing a wormhole's arrival, which Ben Browder and the writers deliberately made seem like a mystical experience, rather than just a straight scientific calculation.
D'Argo hade made himself another Shilquen, the Luxan musical instrument first seen in "Back and Back and Back to the Future." In "DNA Mad Scientist," we learn that Pilot likes its sound, even if Rygel thinks his bowels make better music.