Continuity mistake: When the door of Pod 1 opens after Jeff realises there is a saboteur on board, we see three vehicles in the pod and beside the Monobrake there is a red unit which has a windshield on it. However, when we see Chip appearing in the next shot, the windshield has gone.
Continuity mistake: Watch the time on the clock on the wall in the USN Sentinel during the missile attack. At the start of the attack it's 12.45pm, but later on it changes to 1.05pm, and when Washington informs the Sentinel Commander to stop the attack, it's now 1.35pm.
Continuity mistake: When Virgil is seating at the cockpit during the launch sequence of Thunderbird 2, he is wearing the clothes he wears on Tracy Island and his International Rescue costume appears. But when Alan comes down the lift, Virgil has suddenly changed into his IR costume.
Continuity mistake: During the missile attack on Thunderbird 2, Virgil says "Missiles!" in the cockpit and his forehead can be seen to have sweat on it, but after a quick shot of the missiles flying through the air, we cut to Virgil again and the sweat has disappeared.
Continuity mistake: When Alan contacts his father at Tracy Island, Jeff asks him "How's the situation, boy?" Alan informs him that Grandma has passed out in the heat and Alan's face is covered in sweat. But after a quick cut to Jeff saying "Passed out?" we return to Alan, and the sweat on his face has disappeared.
Continuity mistake: When Brains falls under The Hood's influence, he collapses, and between shots his glasses simply disappear. They are subsequently shown to have fallen off, but the action is not seen on screen: one moment the glasses are on his face and the next they have vanished.
Continuity mistake: When Kalp makes his surprise appearance via Lopez's secret waterway, after shooting Scott's gun out of his hand, he holds up a test tube of Theramine. As he says, "Remarkable discovery." in the close-up, the position of Kalp's hand differs. (00:34:10)
New this month Continuity mistake: While Parker is driving FAB 1, when Penelope holds up her communications compact for Parker to identify the train attendant, in the shot facing the compact she has a pink sleeve, but Penelope's attire is all blue. (00:30:20)Super Grover
New this month Continuity mistake: After Lady Penelope rescues Brains from the psychiatrist's office, when she holds out her communications compact to message Scott it's in her left hand, but in the closeup it's in her right hand and the color of her sleeve also changes. (00:45:50)Super Grover
New this month Continuity mistake: After the Duchess has been rescued by "those romantic young men from International Rescue," when the Duchess removes the canvas from her umbrella, in the closeup (with human hands) she's wearing a pink button-down, but in all other shots there are no buttons whatsoever. (00:45:20)Super Grover
New this month Continuity mistake: After Scott realises that someone has tampered with TB1's camera detector, when it cuts to the movie set's camera, Agent 79's (the Hood) disguise eyeglasses are hanging beside the mask, but in the next shot the eyeglasses have vanished. (00:29:50)Super Grover
New this month Continuity mistake: When the Professor goes up to check on the solar reflector tower it collapses, and as it falls down the mountain the reflector's triangular center breaks off, but in the following shots it's perfectly intact for the episode's plot. (00:16:05)Super Grover