A bottle of Brighto medicine magically appears in Larry's hand when the Stooges offer to clean Dr. Arms' car with it.
Larry knocks an ashtray off the night stand when the Stooges get out of bed, but it is back on the table when one of their wives splashes them with water.
When the Stooges arrive at the hospital via the ambulance, there is a gurney and chair at the entrance, but the chair disappears in the next shot when they ride the gurney inside.
Larry's expression changes from worried to happy between shots, when he is cleaning the cop's uniform.
The soft material of the blanket on the windblown gurney the Stooges escape on changes to a harder kind when they knock over a policeman.
When Curly is slicing bread, one of the pieces falls off the table. Additionally, at least one pre-cut slice is briefly visible in the loaf.
When the Stooges make a skid in the hallway, black heel marks can be seen on the floor from previous takes.
When Larry is selling Brighto by the fence (with his right leg stuck through it), a man asks if the product will clean furniture. When Larry says it will, the man takes a bottle and gives Larry a coin for it. However, no price is indicated on the sign, and Larry never said how much a bottle cost.
Obvious stunt double for Mr. Arms when he and the orderlies fall over the stretcher.
When Moe gets on the microphone, he says that Brighto comes in six delicious flavors. He stops at five after Curly interrupts him with raspberry.