Continuity mistake: Tarrant and Dayna mug a pair of Helotrix citizens and change clothes with them. Later, when the pair are beamed back to Scorpio, they change back into their original costumes in mid-teleport. (00:44:05)
Revealing mistake: A bad effects matte causes one of the two ships approaching Xenon to partially dissolve along the way. (00:03:55)
Continuity mistake: Tarrant beams down to the refinery complex and back again without a teleport bracelet.
Visible crew/equipment: When Nebrox is relaxing in a chair on Scorpio's flight deck, large bright yellow power cables are visible running from the console behind him and across the set floor to the right of the shot. Maybe they were jump starting the space ship? (00:21:50)
Headhunter - S4-E6
Revealing mistake: When Avon pushes a button to call Tarrant, the entire control panel tips upward, revealing that it's not anchored to the console at all. (00:12:50)
Continuity mistake: At the end, Dayna and Tarrant, shortly followed by Soolin and Vila, all teleport to Scorpio without wearing the necessary bracelets. (00:47:35)
Plot hole: Ordered to kill him, the Federation squadron stakes Avon down - on a sand dune. Naturally, he has no trouble pulling loose and clobbering them all. This is hardly just a "character choice": it's a plot hole the size of Tuskeegee. A trained military unit (which they were) would never be so stupid. They could simply have shot him with no difficulty whatsoever. (00:33:30)
Continuity mistake: The computer simulation shoots Gerren in the left shoulder, but when the Scorpio crew teleport him up to let Soolin render first aid, he's holding his right shoulder instead. (00:06:30 - 00:08:00)
Revealing mistake: When Scorpio flies from its launch bay cut in the Xenon cliff face, it's broad daylight (and no, the planet does not have twin suns) - but the ship casts a shadow on the cliff above itself. There's no possible light source from that angle other than studio lights on the ship model. (00:01:20)
Plot hole: When the warlords lift their glasses in a toast, the same mysterious blue electrical arcs, which later appear and kill everyone in the freight bay, spark and sizzle around their hands. But for some strange reason, no one seems to find this at all peculiar. (00:11:15)
Headhunter - S4-E6
Revealing mistake: After its "borrowed" head is blown off and it rampages through the base headless, the android mysteriously gains 10 inches in height and has much longer arms. If they'd just found a shorter actor to wear the headless costume, it might have looked more convincing. (00:44:05)
Revealing mistake: The dead man, shot by the game computer in the orbiter's corridor, is still moving his fingers, and later moves his arm from resting on his chest to flat on the floor. (00:06:05)
Continuity mistake: Maybe he ran into a barber along the way? Avon beams into the woods on Bucol 2 with his hair brushed straight back, but a few shots later, it's restyled and combed neatly down over his forehead. (00:43:35 - 00:44:45)
Headhunter - S4-E6
Visible crew/equipment: Someone with a mustache moves briefly into the shot behind Avon when he's questioning the android about its plan to unite with Orac. (00:35:45)
Continuity mistake: Vila makes an improbable costume change in this episode. He's wearing one outfit at the end of "Terminal," when Liberator is destroyed, and another outfit entirely here, where he's supposedly marooned on the planet with the remainder of the crew. Did he take time to smuggle a spare set of clothes off the ship, even though it was disintegrating at the time? (00:03:30)
Continuity mistake: When Avon & Co. barnstorm the ruined lab, a large piece of plastic debris on the floor is there when they enter, but then disappears between takes. Avon actually slips on it coming in, and does a hilariously un-macho little balancing dance. To quote (and agree with) actor Paul Darrow: "I can't believe they left that in!" (00:45:00)
Revealing mistake: Scorpio is in stationary orbit over the planet Malodaar - but a shaky special effects matte causes the "stationary" ship to wiggle and wobble severely. (00:00:45)
Revealing mistake: At the end, when Tarrant is beamed out, Servalan's position shifts considerably, even though she's supposedly standing still. (00:43:45)
