Continuity mistake: The drink Kathy brings the Kid changes positions on the table between takes. She places it on top of the small book, but it moves itself to the larger book, then back to the small one again, and so on.
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.
Do Not Forsake Me Oh My Darling - S1-E13
Continuity mistake: Number 6 pulls up to his London flat and there are six cars parked across the street. When he gets out just seconds later, there are only two cars parked across the street.
Do Not Forsake Me Oh My Darling - S1-E13
Continuity mistake: The configuration of the photos on display in the camera shop changes completely from one angle to the next, depending on whether the camera view is from the outside looking through the window, or from the inside looking out.
Continuity mistake: During their kosho match, Number 6 ends up dangling Number 14 over the water. In the first shot, he's holding the man with his left hand. In the next, he's using his right hand.
Do Not Forsake Me Oh My Darling - S1-E13
Continuity mistake: When the Colonel enters Number 2's office/control room, the doors close as he comes down the ramp. In the next shot, however, the doors are still open.
The General - S1-E6
Continuity mistake: At the end, using only one finger of one hand, Number 6 types 4 characters on the typewriter. He then expressly states that what he typed was, "W-h-y question mark." But you can't type the question mark with one finger: it requires holding down the shift key.
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.
Continuity mistake: The council members' signs keep changing during the "Dem Bones" sequence. "Entertainment" becomes "Anarchists" and several others switch places between cuts.
Continuity mistake: One of the bad guys prepares a tea tray in the boat's galley and carries it up to the bridge. Throughout his preparations and his trip up the stairs to the upper deck, the contents of the tray keeps changing. The items rearrange themselves, and the size and shape of the bread loaf alternates several times.
Free for All - S1-E4
Continuity mistake: The number of toast slices in the rack on the breakfast cart changes between shots. Number 2 takes a piece, leaving three. No one's gone near the cart, but a moment later, the toast rack contains five pieces.
Continuity mistake: The cape Monique is wearing disappears when she's in the watch shop, then reappears a few shots later.
Continuity mistake: While Number 6 is being dragged behind the horse, a red bandanna tied around his hand disappears and reappears several times between shots.
The General - S1-E6
Continuity mistake: Number 6 is quite a quick-change artist. In the projection room, after the countdown reaches 2 minutes, he manages to: strip the unconscious technician; take off his own black suit, tie, hat and glasses; get into the white lab outfit, and finally, don all the communications gear in time for the 1-minute countdown announcement.
Continuity mistake: When Number 6 is pushing him on the swing, the Butler's hands and arms change positions instantly between shots. One moment, he's holding the rope with his hands: in the next, he has his elbows crooked around the ropes instead.
Free for All - S1-E4
Continuity mistake: It's high tide when Number 6 escapes in the boat, but when he's brought back just a few minutes later, the tide is out.
Continuity mistake: Just before the fight begins on the roadway, Number 6, in full shot, steps off the grass and onto the road. But the next close-up of him shows him on the grass again.
Continuity mistake: Number 6 is taking notes on the Village inhabitants, trying to determine which of them are prisoners and which are keepers. Next to the pond, he's observing Number 62. But on his notepad, he crosses out Number 8.
Continuity mistake: The sling that's been around the Butler's arm and shoulder vanishes after he fans Number 2 with a towel. It's back a few shots later.
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.
Answer: It's even more obvious than you think, you know who number 1 is in the very first episode. When 2 replies to the question "who is #1?" Change the way he answers from you are number one (in the monotone or accented answer to, "You are, number 6. The comma gives you the answer. #6 is #1. It's the tone of the answer.