Thank God It's Friday... Again - S1-E6
Other mistake: The planet population works in the fields, harvesting large brown biconal fruit. They seem to be heavy, as a bag containing about three of them is a burden to the person carrying it. When the leader of the planet shows one to Crighton, she picks one up with three fingers.
Other mistake: CDR Crighton is on an alien world, many light years away from Earth, but they seem to have identical—and I mean identical—Earth-type 55-gallon drums.
Visible crew/equipment: After Tahleen alters John's memory of himself as a young boy playing in the water, and then Aeryn tells John that he's the most bizarre creature she's ever met, when it cuts back to Moya as Rygel joins D'Argo, you can see the head and movement of one of Rygel's puppeteers as D'Argo and Rygel are talking.
Continuity mistake: When D'Argo, Aeryn and John start their search for clorium, D'Argo is wearing arm bracers which extend over the palm and back of his hands. After John says, "Pilot said you press this, this and...this. Works just like a VCR, except easier," D'Argo grabs the particle analyzer from John, but in the closeup of the particle analyzer the hands we see are bare, which means it's not D'Argo, then in the next shot D'Argo is still holding the device.
Visible crew/equipment: After they all take turns peering into the triangular hatchway, Pilot silences the paddac beacon's siren, and when the DRD zooms into the compartment in the shot from within the room we can see a cable behind the DRD.
Chosen answer: It's never explained. John mentions a theory that his less technologically developed craft simply interferes with the wormhole less than the "superior" Vipers, but they never make a concrete determination on that point. But we also have to take into account the fact that Moya traverses wormholes with no ill effect as well.
Garlonuss ★