Visible crew/equipment: In the first episode, 'The End' when Lister is telling his door to lock so he can get his cat out you can see the hand of a member of the crew pushing the door shut (look out the window).

Visible crew/equipment: When Rimmer is being questioned by the Inquisitor, a full boom mic and arm can be seen rising out of shot by the three candles on the right of the screen.

Continuity: In George's memorial service, the extras are totally different in the shots from George's point of view to the shots from the back of the room. Look for the woman with brunette hair and orange overalls - she's there in the forward shots but missing in the reverses. The chairs, tables, props, costumes and character placements are all completely discontinuous.

Continuity: When Lister and Rimmer see Cat just after Holly explains how he evolved, Rimmer runs at Cat screaming before he passes through him and we hear a crash off screen to indicate Rimmer has just run in to something. He is a hologram and is not solid, so no sound should be heard. [The original version did not have this mistake. The sound effect was added for the now defunct Remastered series.]

Deliberate "mistake": In the first few series, it is suggested Lister and Kochanski barely know each other. In 'Balance of Power' Holly says that Lister has only ever spoken 173 words to her. However, by series 4 Kochanski is referred to as Lister's ex-girlfriend with whom he shared a relationship. In the series 4 documentary, Doug Naylor explains that Lister's attitude towards Kochanski was imature in the first series which is why they changed his back story from wanting to be with Kochanski to actually having been with her by series 4.

Revealing: The first time you see Lister, the Cat, Kochanski and Kryten in the AR machine you can see the cat opening his eyes realising that it is not in the script, smiling and then closing his eyes.

Continuity: At the start of the 'Welcome Back George McIntyre' reception scene, Lister, Chen and Selby are throwing things at Rimmer, then Rimmer looks around. In the next shot, Lister and Chen are looking round to their left, Selby is stabbing between his fingers, Rimmer is now looking straight forwards and Petersen has appeared from nowhere.

Revealing: When the grenade explodes, the explosion is to the left of where the grenade landed.

Plot hole: Right after the shrinking boxers scene, Kryten says the small boxers are missing from the bunk, but you can see them right in front of him.

Continuity: When Rimmer leaves for his exam, the table in the room only has an ashtray on it. Moments later, when Lister locks the door, a magazine, a can and a mug have appeared on the table.

Continuity: When Rimmer makes a palm print on the exam paper, the sheet moves from overlapping the second sheet to becoming separate on the desk. The pen also moves.

Plot hole: In the episode 'Backwards' most of the things that happen on 'Backwards Earth' are correct, except, of course, in reverse. But there is an exception: in the scene in the Cafe, when the waitress comes to 'dirty' the table, she tips a box of trash on the table. If you play this scene backwards, the trash leaps from the table into the box. Even on a 'backwards earth' I can't believe that trash spontaneously leaps about...

Continuity: When Lister takes the painting into the two Rimmer's quarters, one of his locks is over his left shoulder. In the next shot it is behind his back.

Continuity: When Lister says his cigarette is a chicken, he looks at Rimmer. In the next shot he is looking at the cigarette again.

Continuity: When Able takes his head off and throws it at the simulant, he throws it forwards towards where Lister is standing. The head manages instead, somehow, to hit the simulant standing next to the gelf on Able's left.

Revealing: When the Cat says 'Form an orderly queue behind the gunsight' you can see Lister mouth the line.

Continuity: Half way through the episode, the captain's office becomes covered by a wall.

Continuity: When George McIntye finishes his speech, he is standing. When the camera cuts back, he is sitting down.

Visible crew/equipment: When the Red Dwarf crew are talking about who Legion is (after Lister has poured his bucksfizz), Kryten then says, "Could our very presence here have inadvertently awoken him?" As he says this, at the left side of the screen the end of a camera lens pulls away.

Visible crew/equipment: When Rimmer says there was nothing wrong with his casual clothes, a boom mic shadow can be seen moving at the top of the screen.