As Sid and his villains drive into Finisham Hospital car park in their Ford Zodiac, it can be clearly seen that the car has two normal windscreen wipers. However, when you see a view of them sitting in the car after it has stopped, the windscreen wipers are nowhere to be seen, only the stalks where the wipers should be are visible.
Mrs. Tidy and the lady opposite are shown in Bunn ward. But when Matron tells Nurse Ball to take Nurse Carter to bed, the lady who was in the opposite bed to Mrs. Tidy is in Oven ward.
On Dr Prodd's "trophy" wall, the Charing Cross and Bart's photos swap positions.
When Cyril is at home having just put on the nurses uniform there is a sign behind him about using the telephone next to what appears to be a slot machine, the long shot has the sign totally uncovered but in close up part of the sign is obscured by the slot machine.
When Sir Bernard Cutting is sitting opposite Dr. Goode, he has both his hands clasped in front of him on the desk from the front view but only one of his hands is on the desk from the reverse shot.
When Sid, Ernie & Freddy are reading about Cyril helping to deliver Jane Darling's triplets, Freddy is reading about on the back page of the Mirror, which would be a Sports page, not a 'Nurse helps deliver triplets page'.
Obvious doll double for Miss Willing's baby when she chats to Sir Bernard Cutting.
When Sir Bernard pulls Miss Banks' dress off he throws it behind her. She then runs into her office with it held in her hands.
When Sir Bernard is spraying Dr Goode with the fire extinguisher at one point the spray from the fire extinguisher noticeably hits the camera.
When Sid blows the storeroom door, the dynamite explodes before he turns the handle on the detonator.
When Sid, Ernie and Freddy are reading The Mirror newspaper about Cyril helping to deliver Jane Darling's triplets, the red masthead and lead story changes between shots.
When Cyril arrives in drag, Arthur says, "Over to the desk girls," but his mouth does not move.
When the gang are travelling to case the hospital, Ernie and Freddy are clearly sat behind Cyril and Sid in long shot but are absent in close-up.