Visible crew/equipment: When the song "Ace of Spades" is playing, we see the camera pan up to the singer. You see the studio lights reflected in his sunglasses, as well as part of the camera.
Revealing mistake: When Neil starts to sneeze, he carefully puts his hands close to his nose to give the impression that the green jet is coming from his nose. However, in one shot, just before the guys bag him we see the jet appearing from his hand while his hand is several centimetres from his nose.
Factual error: During "Jester Balowski's Medieval Torture Hour," Balowski grabs the guys arm and bends it the way arms are supposed to bend, yet you hear a breaking noise.
Revealing mistake: When Rik jumps in his bed with the magazine and the circular saw comes out, watch closely and you can see the bed and sheets are already in two halves.
Other mistake: Just as Brian Damage says, "Oh, weren't ya?" to Neil, you can see the shadow of Neil's mother on the front door, awaiting her cue to come in.
Revealing mistake: After Mike burns the stumps (aka Rik), the special patch that was set on fire on the back of Rik's overalls is visible.
Revealing mistake: When the vampire is shaving himself in the toilet, the reflection in the mirror of his shaving cream, clothes and gloves is almost, but not quite, identical to his movements. The empty suit in the mirror and the visible part in front of it were shot separately by copying the other part's movements as closely as possible, as the surviving raw footage can prove. It's hard to see, but there is a small difference between the motion of the hands.
Revealing mistake: When the bus explodes, an explosive charge can be seen on the ground beside the bus just before the explosion. (00:34:01)
Revealing mistake: When the bus falls off the quarry, there appears to be an open door next to the driver's seat, presumably so that the stunt driver can jump out of the bus before the crash. (00:33:45)
Continuity mistake: On the bus, when Vyvyan suggests that they pick up some girls who can do their cooking and cleaning, Neil can be seen in the background looking at Vyvyan. When the shot cuts back to the other three, Neil is looking at Rick. (00:32:55)
Continuity mistake: When Vyvyan crashes into the lamp post, he has his right hand placed on top of the steering wheel. In the next shot, he has his right hand positioned at the top right corner of the steering wheel. (00:30:55)
Other mistake: Whilst Rick is trying to rob the bank, a police officer announces that the police are outside and have the building surrounded. Once the main characters get the money, they run out of the bank, but the police are nowhere to be found and only begin to arrive once they get into the car. (00:29:45 - 00:30:37)
Other mistake: When the bank robber is holding the employee hostage, he has him place the money into a sack on the desk with "Euston Film Property Department" written on it. There is also a second sack with "Swag Bag" written on it that has money inside it. Later, when the robber attempts to leave the bank, he only has the Swag Bag sack, and the Euston Film Property Department sack is never brought up again. (00:29:10 - 00:30:30)
Revealing mistake: When Vyvyan is hitting Rick with the cricket bat, it wobbles when he swings it, revealing it to be a rubber prop. (00:07:15)
Revealing mistake: When Neil imagines himself turning into the Hulk, he throws the other three characters to the ground. When Mike is thrown, just before the shot cuts to him landing on the ground, the ground can be seen bending inwards when Mike's foot touches it, revealing it to be fake. (00:05:13)
Continuity mistake: When Rick sees Neil climbing in through the window, he starts screaming and raises his right hand. When the shot cuts, his right hand is lowered. (00:33:21)
Revealing mistake: When the policeman hits Rick with a chair, the chair legs can be seen wobbling, revealing it to be a rubber prop. (00:25:17)
Visible crew/equipment: After the band finishes performing Our House, they start fighting one another, as well as joining another ongoing fight. A man then runs up to the camera and throws a saxophone at it. The shadow of the camera can be seen on the man when he throws the saxophone. (00:10:43)
Audio problem: An angry woman throws a lamp out of a window, which hits a man standing outside. The lamp then falls to the ground, but the sound effect of the lamp smashing is heard before it hits the ground. (00:05:54)
Visible crew/equipment: When Vyvyan puts a pillowcase over Neil's head to stop him from sneezing, Neil sneezes again, causing the pillowcase to blow off his head. Just after this happens, a black bar can be seen behind Neil's head, which was used to push the pillowcase. (00:05:24)
Answer: Madness also appeared in the episode "Sick", where they performed their song "Our House", which was their biggest (and only major) hit in the US.
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