Several times Frank (Frankie Darro) is shown wearing a ship captains hat that disappears off his head. Near the beginning of Chapter: 4, when Bob (George J. Lewis) lies unconscious on the ground after the car crash. Frank (Frankie Darro) and his uncle, Jim Courtney (Henry B. Walthall) run down the hill. The hat suddenly appears on his head. At the end of Chapter: 6, beginning of Chapter: 7, Frank is shown not wearing a hat before he falls out of the car. When he falls and hits the pavement he is wearing a hat. Then Bob runs up to him to see how he is, and the hat is gone.
During fights that include Pal (Rin Tin Tin Jr.), when ever someone throws the dog, it's a stuffed dummy dog that is thrown.
In Chapter: 8, when Pal leaps off the motorcycle, he takes a tumble.
In Chapter: 2, when Bob (George J. Lewis) looks out the window, the view of the surrounding area is a very bad drawing of the docks.