Visible crew/equipment: When Tin-Tin responds to news of Scott's disappearance, a floor puppeteer's hand (with dirty fingernails) can be seen at the bottom of the screen lifting Tin-Tin from her seat.
Continuity mistake: In the pyramid, we see a closeup of Scott's hand grabbing the gun. The color of his uniform changes for a lighter blue in that shot.
Continuity mistake: As Thunderbird 1 crashes in the desert, Scott is thrown forward and he bangs his chin on TB1's flight controls. But after TB1 has crashed, Scott is shown with his forehead on the controls.
Continuity mistake: When Jeff and Tin-Tin are discussing whether she should go on the mission with Virgil to rescue Scott, the pen on the map on Jeff's desk is facing upwards, but later on in the scene it has moved slightly to the right.
Continuity mistake: When Jeff tells Alan it's time to relieve John in the space station, he's holding a cigar in his right hand, but after a quick cut to Alan saying "All set, father," we return to Jeff, and his cigar has suddenly disappeared.
Continuity mistake: When Tin-Tin and Gordon are swimming in the pool at Tracy Island, the beach ball in the pool has nothing on it, but in the next shot when we see Virgil sitting down reading, the ball is thrown out of the pool and there are green stars on it.
Continuity mistake: When Scott is travelling to the pyramid in Thunderbird 1, his International Rescue hat keeps disappearing and reappearing between shots.
Continuity mistake: When Wilson asks Lindsey in the jeep "Which way do you want to go?" you can see he is wearing his headphones, but after cutting to Lindsey, we return to Wilson and his headphones have disappeared.
Continuity mistake: The long shots of Scott hanging out of the window/hatch of Thunderbird 1 as Wilson and Lindsey find him, shows white lettering around the window, but the close-ups show no white around the window at all.
Continuity mistake: At the beginning of the episode, we see Thunderbird 1 and there is only one "TB1" logo on the rocket. But when the Zombites craft start attacking Thunderbird 1, there are two "TB1" logos.
Continuity mistake: Before going on board Thunderbird 3, Alan is wearing a brown suit and Scott is wearing a yellow suit and orange shirt. But when Alan goes up the elevator in Thunderbird 3, his clothes have changed to a green checked shirt and beige trousers, and when Scott returns to Tracy Island, his clothes have changed to a blue roll-neck and checked jacket.
Continuity mistake: Alan and Scott launched Thunderbird 3 to go to Thunderbird 5 and relieve John from his duties in the space station. You can see John leaving Thunderbird 5 to go with Scott to Thunderbird 3, but when Scott returns to Tracy Island, John is nowhere to be seen.
Revealing mistake: The symbols on the walls of the Zombites' control room are the reverse of the symbol on their helmets.
Continuity mistake: After Thunderbird 1 is shot down in the Sahara, Scott is hanging unconscious out of the craft's front door. When Scott and Lindsey spot Thunderbird 1, the door to the craft is closed.
