Continuity mistake: Near the start when Albert is plating up the takeaway, you see him beginning to remove the lid from the takeaway. In the next shot however, the lid is completely off. The change in shot is immediate and there is no way that Albert could have moved it in that time.
Visible crew/equipment: When Rodney, Mickey and Jevon are talking after Rodney has just got a date with Nerys, the shadow of a boom mic moves across Mickey's face and body on multiple occasions.
Continuity mistake: When Del and Rodney are outside Sotheby's, it is dry. When the van is rocking, it is pouring down.
Visible crew/equipment: When Del boasts about being a paratrooper, as Rodney says "You've made a few drops in your time", behind Rodney, a shadow of a crewmember or some sort of equipment moves behind him.
From Prussia with Love - S5-E1
Visible crew/equipment: When Rodney introduces the German girl to Albert, at the top of the screen, a boom mic passes Rodney's head.
The Unlucky Winner Is... - S6-E4
Revealing mistake: In the airport scene, the same extra walks past 3 times wearing different clothes.
The Jolly Boys' Outing - S6-E7
Visible crew/equipment: When the Trotters are in bed, look at the top left corner of the screen. A boom mic can be seen coming down and then going back up. Look carefully, its a dark scene.
Revealing mistake: When Denzil's wife storms out of the room and slams the door behind her, you can see that the wall to the right of the door lurches forward under the pressure of the closing door.
The Jolly Boys' Outing - S6-E7
Continuity mistake: In the scene in the hotel whre Mickey, Jevon and Denzil are staying, at the end of one shot, Denzil is putting salt on to his dinner yet in the next shot, he has his knife and fork in his hands and is eating his dinner. Certainly no time to put the salt down and pick up his knife and fork.
Visible crew/equipment: When Del and Rodney are in Debbie's flat, Del and Rodney are talking about June not having a record player. A shadow of either a camera or a crew member are visible on the open front door.
Who Wants to Be a Millionaire? - S5-E6
Revealing mistake: When Del and Jumbo come into the Nags Head to discuss business, Del asks Mike for an Australian lager for Jumbo. Mike lists other Non-British lagers as a choice. When Jumbo says he'll have one of them, Mike produces a pint in less than 10 seconds, certainly no time to have poured a pint.
Diamonds Are for Heather - S2-E8
Visible crew/equipment: During the dinner scene in the Indian restaurant, the shadow of a boom mic can be seen on the wall behind Del and Heather's table.
Continuity mistake: When Rodney gets the bag with the food in it, as he is about to get in the car, you can see behind him that he has left it on the driveway.
If They Could See Us Now...! - S9-E1
Visible crew/equipment: When Del is on the TV Show "Goldrush", he asks to phone Rodney to help him out on a question. As Rodney is watching the show and listening, you can see the camera reflected in Rodney's TV.
Continuity mistake: When all the gang are in the office near the end of the episode, Rodney goes from being by the side of Del, to being right behind him between shots.
Chain Gang - S6-E3
Continuity mistake: The half pint glass of beer that Rodney gets from the bar has had some drunk out of it when Denzil leaves and says bye to Cassandra, but when Del and Rodney return to it after having a meeting, it's full again.
Miami Twice: The American Dream - S7-E8
Visible crew/equipment: When Del asks Rodney if he is still going to Miami after Cassandra says no, Rodney replies, "Possibly." As he walks off, you can see a studio light blurs the camera at the top of the screen in the middle.
Visible crew/equipment: As Miranda walks in for the first time, as Grandad says "some posh tart", in the mirror on the far lefthand side, the shadow of a boom mic can be seen on the reflection of the T.V., moving around. (00:05:35)
The Russians Are Coming - S1-E6
Visible crew/equipment: In the bunker, when Rodney asks Del to be serious for one minute, a boom mic can just be seen on the far left of the screen before it is pulled away. (00:20:50)
Continuity mistake: When Rodney is sitting on the chair and starts eating crisps, you can see that he is sitting on a cushion. It is gone by the time he gets up.
Chosen answer: An apparent long string of illnesses.