Continuity mistake: Locked out of a boarding house, Ollie yells for Stan to open a window. The close-up shows Ollie with both hands cupped around his mouth. In the following long shot only his right hand is by his mouth and his left hand is at his side.
Continuity mistake: Stan and Ollie are sitting on the roof of their boarding house with their dog, Laughing Gravy, who had crawled up the chimney. The dog walks away from Stan and Ollie and disappears from the shot. In the next shot, the dog is sitting behind Stan.