Visible crew/equipment: When Avon is questioning Muller's wife at Xenon Base, an equipment shadow moves across the top of his head.

Continuity: 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.

Continuity: Relative to the white striping on Scorpio's deck, the unconscious Vila changes locations on the floor three times between shots.

Continuity: Muller's wife teleports holding her spacesuit gloves with the fingers pointing up. She arrives with them in the same position, but when the shot cuts, they've reversed positions and the fingers are now pointing down.

Revealing: 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.

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.

Revealing: 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.

Continuity: Muller and Vila have a brief struggle over the teleport console. When Muller grabs at the controls, Vila pulls his hand away, making the teleport lever break off and fall onto the console. It fixes itself again a short time later.