Continuity mistake: When Vargas beams up to the Liberator just ahead of Blake, Gan & Vila, he challenges them when they arrive from the other side of the room - by stepping out of the teleport bay. But they're standing in the teleport bay, and Liberator has only one. So exactly where is Vargas standing?
Revealing mistake: Stock footage of the London's launch from Earth is run in reverse when it lands, supposedly 8 months later, on Cygnus Alpha. What are the odds that a remote penal planet will have a launching pad with configurations, lights, buildings and background terrain all completely identical to the launch stage on Earth?
Revealing mistake: The uppermost of the flight consoles of Liberator isn't fixed down in this episode, and wobbles almost every time it is touched, and not just small wobbles. Watch for the 10 seconds or so after Jenna says "Eventually I might just be able to get her to start and stop", and you'll wonder how she didn't knock the entire prop off whatever it's sitting on and onto the floor.
Plot hole: When the Liberator returns to the planet, Travis remarks that their orbit is too far away to use their matter transmitter. Since Travis had only found out that they even HAD a matter transmitter (which the Federation hasn't managed to develop yet) when he spoke to a technician just before that, how would he know what the range was?
Continuity mistake: At the end of "The Way Back," Blake, strapped in his prison ship seat, looks over his shoulder at the window behind him as the ship leaves Earth. This same scene is recapped at the beginning of "Spacefall," only now Blake is sitting one seat to the left of the window instead of directly in front of it.
Factual error: Tarrant fails Astronomy 101 here, just as Travis did in the first season. He tells the clerk, "I'm surprised you've heard of it (the FSA), if you're from another galaxy." The Tharn and his minions were not extragalactic; they were from other planets in our galaxy.
Continuity mistake: During the firefight in the detention corridors, the blaster holes in the metal wall Jenna's firing toward keep changing, sometimes disappearing altogether. One of them is created twice, appearing as the troopers duck out of sight, vanishing and then reappearing in the same spot when Jenna fires again.
Visible crew/equipment: The "exterior" windows in Blakes 7 are a constant source of amusement. In many cases you can see the top or bottom of the board which is supposed to be the window, with empty set behind the board. Turn the brightness of your screen up to maximum and in many cases you can see that "windows" are semi-transparent perspex with light bulbs for the stars. You can often see wiring running from bulb to bulb, looped and cable-tied together, etc., through the "windows".
Plot hole: Avon delivers his summation of the crimes and the murderer's identity to the Ortega's crew - with his back turned to the guilty party the entire time. This gives the killer ample time to pull a gun on them. But it's also egregiously out of character for Avon, whose suspicious nature bordered on paranoia and would never have allowed him to be so careless.
Continuity mistake: The alien hiding in the hold throws a large blue tool at Jenna. It strikes her on the back of her right arm. But in the next shot, she's holding her left arm, and Gan later treats a bruise on her left arm, nowhere near the spot where the tool hit her.
Deliberate mistake: Because Stephen Greif tore an Achilles tendon playing squash, a stand-in had to complete his scene with Servalan in Ensor's underground complex. The result was a very odd segment in which we hear Travis' voice (pre-recorded by Greif) answering Servalan's lines, but never see him - except for an awkward shot of shuffling, black-booted feet that are all-too-obviously not Greif's.
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Plot hole: When Ultraworld first shows up on the Liberator's screens, all scans show it isn't there. Avon explains it can't be detected because it is an artificial planet using alien technology which blocks all electromagnetic radiation from escaping. But the crew are looking at it on their screen - the ordinary visible light we use to see things is part of the electromagnetic spectrum too.
Visible crew/equipment: When Jenna tries to call Gan and Vila from her flight deck station, part of a piece of equipment is sticking out into the lighted corridor to her left. It's still there later, when Gan walks through the opening, but it's gone a short time later.
00:06:45 - 00:13:15Jean G
Factual error: Zen refers to the objects encountered at the beginning of the episode as "meteorites". In space, these objects are known as meteoroids. When they enter the Earth's atmosphere they are called meteors, and when they hit the surface of the earth they are called meteorites.
Continuity mistake: The headless android falls into a pile of rubble after an explosion, getting up with its red, white & blue striped costume in smudgy tatters. A moment later, its outfit is mended and completely clean. Still later, when the android is walking outside, its costume is dirty and shredded again.
00:33:30 - 00:35:00Jean G
Continuity mistake: Liberator's orientation relative to the space station changes. As viewed from inside the administrator's office, the ship is "parked" parallel, with its port side against the station. But in the subsequent exterior view, Liberator suddenly has its bow pointed directly at the station instead.
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Continuity mistake: Just before Scorpio crashes, Avon grabs Orac and teleports to safety. When they're still aboard the ship, Orac has several wires hanging loose from underneath. When they materialize on the planet, however, all the loose wires are magically repaired and no longer hanging.
00:16:30 - 00:17:45Jean G
Factual error: Cally's bracelet falls off while she's being dragged to the platform by the troopers, but she somehow manages to teleport down to the planet with them anyway. And the lost bracelet later miraculously appears on her wrist in time to bring her back up again.
Plot hole: Travis, dressed up as the supposedly disabled dissident Shivan, fools Blake and the rebellion leaders far too easily. His head bandages completely cover his mouth (how did he eat?) and his glued-on glass eye is so obviously fake it's laughable. If we noticed, why didn't they?
Factual error: Servalan's space station is shown rotating at a fairly fast clip. But the stars in both her office window and in the courtroom window are stationary. Because the station is spinning much faster than a planet's normal rotation, the stars should be visibly moving.
00:00:35 - 00:03:10Jean G
Factual error: Avon and Vila watch the rocket launch from the surface of the planet. The rest of Liberator's crew also watch it from the flight deck, and somehow their view from orbit is at exactly the same angle from which Avon and Vila are seeing it: a ground-to-air shot.
Revealing mistake: Scorpio is attacked upon entering Gauda Prime's atmosphere. The ship lurches left: everyone leans left and hangs on. The ship lurches right: everyone leans right and hangs on. The ship rolls over a full 360 degrees: no one leans or hangs on, nor do they fall out of their unbelted flight chairs. And oddly, those same chairs that held fast here tip over with ease later, when Avon escapes with Orac.
00:13:45 - 00:16:15Jean G
Plot hole: Avon drills the last hole through the bomb's tubing and then, with the drill still in place, has to hunt down the dropped rod needed to block the plunger. Tense drama ensues while it's found and inserted, though simply leaving the drill bit in there would have worked just as well.
Deliberate mistake: In the escape scene near the end, an explosive charge that went off too soon knocked Paul Darrow over - and briefly out of the shot. Because he was able to get back up and keep running, the accident was left in, though he's said it was fortunate there was no microphone on him at the time, as he uttered a few words that were "definitely not rated PG."
Revealing mistake: When he sits on the floor in front of Servalan, Jarrier's earring falls off. He fumbles at it briefly, and then the actor breaks character for just a moment, glancing nervously at the camera. When it's apparent there won't be a retake, he goes on with his lines.
Factual error: Travis fails Astronomy 101 with the line, "Blake - the other patrols have pushed him into this galaxy." That should be star system, not galaxy. B7's ships weren't capable of intergalactic travel. Not just a character mistake, either. Travis is a trained Space Commander, and should definitely know the very big difference between a solar system and a galaxy, even if the scriptwriters - and people who keep miscorrecting this error - do not.
Continuity mistake: Provine shoots the rebel guarding the rocket in the chest. But later, when his body is found, the man is bleeding from the mouth instead, and the blood pooled on the floor beside him changes from beside his head to above his head between shots.
00:21:10 - 00:42:00Jean G
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.
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.
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.
Revealing mistake: In the control complex, Avon tosses two coin-like objects onto the electrified floor to test the grid. But the "coin" is already on the floor before the sound effect of it landing can be heard, and the mini explosions the coins set off is the same footage both times.
Continuity mistake: In his scuffle with Servalan's trooper, Vila's teleport bracelet falls off and rolls away. We're even shown a close-up of it as it comes to rest near the dropped gun. Yet in the very next shot, as the fight continues, the bracelet is back on Vila's wrist.
Revealing mistake: Peter Tuddenham was the talented voice behind most of the Blake's 7 computers - Zen, Orac & Slave in particular. In "Sarcophagus," Zen is under attack from the telepathic alien mind brought aboard, and its voice changes pitch, rate and timbre as it struggles to ward off the attack. During many of these moments Zen sounds exactly like Orac or Slave, since normally those computers' voices are Peter with the same type of pitch/rate tricks anyway.
Revealing mistake: Blake hands Cally a photo of Docholli, supposedly obtained from Zen. It's a publicity still of the actor that's not only in black & white (how low tech), but Cally has to hold her thumb rather conspicuously over the very 20th Century necktie he's wearing in the photo. You can see a bit of it anyway.
Plot hole: The IMIPAK weapon marks its victims and then kills them with a secondary device. But it's inconsistently selective. When Servalan kills the guard with it, Blake and co., marked and standing nearby, are unharmed. But Rashel later warns Travis not to push the button because he and Servalan are marked and would die too. (That the weapon's range is "adjustable" is nowhere mentioned or implied. Servalan doesn't change a thing before she fires it).
00:43:55 - 00:46:30Jean G
Plot hole: Kendall stresses that only he can open the safe containing the valuable neutrotope. Yet later, he casually asks a crew member to retrieve it, with no mention of the safe's combination, making it a cinch for the villain to steal the goods and hand over an empty box. Naturally, no one bothers to look inside before Blake races off with the container.
00:16:30 - 00:21:05Jean G
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?
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!"
Continuity mistake: When the crew teleports up at the end, the shirtless Vila arrives in a completely different position relative to the others. On the surface, he's standing in a ring with the rest of them. When they materialize, he's hunched over and is now in the middle of their circle with the others around him.
Factual error: Maybe they took time in the midst of a desperate escape to tack Orac down with Velcro? When the shuttle first takes off, its angle of ascent causes Orac to nearly slide off the control panel. A short time later, the angle is far steeper, but this time Orac stays perfectly still.
00:36:15 - 00:44:55Jean G
Plot hole: When he first shows the burned ison-crystal to Cally, Avon says that its loss will blind the Ortega's forward vision. Later, he assigns it a completely different function, saying it controls the hyperdrive instead. If this one little crystal is that vital to the ship's systems, why aren't these guys carrying a spare?
00:15:05 - 00:19:00Jean G
Revealing mistake: To conceal their unauthorized entry into the secret lab, Cally very carefully closes and locks the sliding door. But when she turns back to speak with Tarrant, the "secured" door rolls halfway back open by itself. No, it's not Servalan's troops sneaking in to catch them: there's no sign of anyone there. Besides, anyone unlocking the supposedly-locked door would have alerted them. A case of malfunctioning BBC scenery, plain and simple.
Plot hole: When Blake teleports to XK72 to meet Professor Kane, he takes 2 teleport bracelets so that Kane can return to Liberator with him. When Avon goes over to retrieve the medical assistant, he neglects to take an extra bracelet. The assistant beams over with one anyway, and Avon somehow still has a bracelet to return with later.
00:34:05 - 00:41:30Jean G
Continuity mistake: Dayna's outfit is skin-tight and she's not carrying any sort of backpack. So just where was she hiding that rather large robotic bomb she sends down the hall to blow up Bayban's goons? (The pack on her belt isn't a storage pouch - it's the Liberator handgun's power unit. Note that Avon, Tarrant and Cally wear identical packs, with the guns plugged into them. And it isn't large enough to hold the mobile bomb anyway, not even disassembled.)
Continuity mistake: The XK72 space station has a distinctive shape, with a large ringed aft section that's to the right of the screen every time we see it. Liberator is moving past that section at the end, passing on the right. But in the next shot, the ship is abruptly heading away from the station, which is still in the same position, and flying left, in the opposite direction.
Visible crew/equipment: Avon is picking himself up from the computer room floor after a berserk Gan has attacked him. Blake rushes in to say, "Are you all right?" But he's been standing out there in the corridor, blocking a big bright patch of light throughout the scene, only to rush in on cue.
Plot hole: If the "Enzyme Activity" adhered to the hull of the Liberator, how did it enter the ship without causing a hull breach and immediate loss of pressure ? Also, how did Servalan not suspect anything when she boarded, missed Orace and ordered Maximum Power surrounded by green mould?
Plot hole: Servalan & Egrorian discover their Orac is a fake when it continues to light up and make noises after the key has been removed. But this makes no sense; the key functions as it should during the demonstration. Even if it's to do with no longer being connected to the real Orac, with the shuttle getting further away it shouldn't function at all.
Plot hole: The drama on the crashing shuttle comes from the idea that a speck of Neutron material is super-heavy. Yet in the laboratory, Egrorian states that 8 Neutrons make up the core of the Tachyon Funnel. This would make it so heavy it would probably sink through the entire planet, yet Pinder, Vila & Avon wheel it about like the aluminium prop it is. And if the Neutrons are held in some sort of anti-gravity field, that would require an enormous amount of power, but Pinder uplugs it at Avon's request.
Plot hole: During the entire standoff between Blake & Travis, there is a Federation guard with his hands on his head. Yet when the scene first begins, no-one else is and Blake is not holding a weapon on anyone. Neither has he revealed his play with the virus at this point. After he has done so and left, the same guard still has his hands up. Finally, after Travis has secured the virus, the guard STILL has his hands up.
Continuity mistake: When Dayna & Tarrant are "bonding" they are not wearing their gun belts. Yet the shot of them running down a corridor immediately after escaping shows Dayna has hers on. In the next scene, it's gone again. Later Avon & Tarrant recover three gun belts from the control room.
Other mistake: Just after Cally says that the pilot's death was "a misfortune," she stands and her chair scrapes noisily on the floor. The sound apparently startled Paul Darrow, causing the always-unflappable, nerves-of-steel Avon to flinch: the only time in all four seasons that he's ever seen, albeit briefly, to break character.
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