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: When Neil is lifted into the air so that he can change the lightbulb, wires can be seen lifting him up. (00:24:50)
Revealing mistake: Whilst Vyvyan has Neil raised in the air, in the shot of Neil saying "Okay, here's a joke for you, Rick," the wire lifting Neil up can be seen near his waist. The wires can be seen again when the band starts playing and he starts waving his arms. (00:20:58 - 00:21:20)
Visible crew/equipment: Just after Neil says, "It's a nice day for weather," it cuts to a shot of all the characters sitting at the kitchen table. To the left of the shot, the shadow of a boom mic can be seen on the shelf near the front door. The boom mic shadow then starts to move upwards when Rick starts clapping his hands. (00:13:50)
Visible crew/equipment: When the woman is sitting at the kitchen table, Rick starts talking to her. Whilst he is saying, "Have some breakfast, let me introduce you to everyone," the shadow of the boom mic can be seen on the wall next to the fridge. (00:13:03)
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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