When the puppies are being adopted and it's down to Aleu and four red-and-white puppies, a human takes one, leaving Aleu and 3 red-and-white puppies , but after that, when a shot shows the puppies jumping, it shows that there are 4 red-and-white puppies, and Aleu is nowhere to be seen.
When Banjo is fighting we see Jubal empty a mug of milk in the face of one of the fighters, but in the next scene you see the mug half full.