Continuity mistake: Due to a very poor edit, an extra walking past Number 2 and Number 6 as they talk on the patio disappears in mid-shot.
Continuity mistake: Nadia's number badge is upside down when she serves Number 6 breakfast. It's turned itself right-side up when she leaves, though.
Continuity mistake: In long shots of the truck transporting Number 6 and Nadia, the crate they're supposed to be hidden in disappears from the truck bed.
Continuity mistake: Nadia and Number 6 go together to the Green Dome (Number 2's residence). While they stand at the entrance, the door knocker changes to one of a completely different design between one shot and the next.
Continuity mistake: Number 2 sits down and places his umbrella beside him with the handle facing out. The camera angle changes, and although he hasn't touched it again, the umbrella handle is now facing inward.
Continuity mistake: When he's playing chess with The General, Number 6's jacket changes between takes. At first it has solid piping on the lapels, then the piping has gaps, then it doesn't again.
Continuity mistake: When Number 6 and Nadia get into the shipping crate, they're both able to stretch out completely for the 12-hour trip. But when the crate is opened, it's suddenly several inches shorter, and 6 has to bend his neck at an uncomfortably sharp angle to fit into it.
A. B. and C. - S1-E3
Continuity mistake: While Number 6 follows Number 14 around the Village, her briefcase keeps switching itself from her right hand to her left between shots, without her having moved it. Later, when she enters the hallway, the case disappears altogether.
A. B. and C. - S1-E3
Continuity mistake: During the dance, the bottle of wine on Number 6's table is sitting on the left side. No one touches it, but when he and B come back to the table, the wine has moved itself to the center.
A. B. and C. - S1-E3
Continuity mistake: Number 14 has to push a button to activate the first tape she puts into the player. She then puts on the 'A' tape and it starts playing by itself, with no button pushed. When she puts in 'B,' though, she has to push the button again.
A. B. and C. - S1-E3
Continuity mistake: When Number 6 kicks out the grill, his socks are blue. In the next shot, though, the socks have turned brown.
A. B. and C. - S1-E3
Continuity mistake: The length of A's cigarette varies considerably between takes. It's short in long shot, then gets suddenly longer in the following close-up.
A. B. and C. - S1-E3
Continuity mistake: Number 6 substitutes clear water for the red-tinted drug in the syringe. But when Number 14 later injects him with the same syringe, the fluid in it has turned red again.
Free for All - S1-E4
Continuity mistake: During the council meeting Number 2's gavel jumps around on his table from shot to shot. (00:16:23)
Free for All - S1-E4
Continuity mistake: Throughout the episode, Number 6's lapels switch from having solid to broken white piping and back again.
Free for All - S1-E4
Continuity mistake: Number 2 has a nice, bright red handkerchief peeking out of his pocket when he leaves the house. But between shots, it turns itself into a blue handkerchief.
Free for All - S1-E4
Continuity mistake: Number 2's long neck-scarf changes when he steps into Number 6's house. It gets longer on the right side after he comes in the door.
Free for All - S1-E4
Continuity mistake: Number 6 grabs the boat hook and pulls the mechanic into the water. With a sudden shift in camera angles, the hook instantly vanishes from the falling man's hands.
Free for All - S1-E4
Continuity mistake: While Number 6 and the maid are in the kitchen, the toast rack moves itself several feet in between takes. It's on Number 6's right, then suddenly appears on his left instead.
Free for All - S1-E4
Continuity mistake: The sequences of Number 6's campaign speech scene were apparently filmed several months apart from each other. The trees behind him change from Springtime bloom to Winter bare and back again continually.
Chosen answer: We're led to believe Rover is some kind of robot in the series. According to books on the show, Patrick McGoohan was looking for an unusual guardian for the Village, looked up at the sky, and saw a weather balloon, which was what Rover was.
Captain Defenestrator