Bringing Home the Beacon - S4-E16
Visible crew/equipment: After Rygel tells Noranti that she paid too much for having Moya's modulator fixed, and then begs her to cook for him, Aeryn and John come into view, and as they walk toward the camera we can see the moving shadows of the cameraman, camera, and boom mic at the right side of the screen.
John Quixote - S4-E7
Other mistake: Up to now, Stark's mask was on the right side of his face. In this episode, it is on the left.
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 ★