In chapter three as Burke is being transferred to another prison the dust from the film car partially obscures the car he is being transported in.
In the first chapter Junior knocks on the window to get Tracy's attention crying "Mr. Tracy, Mr. Tracy!", but after he tackles one of the fleeing villains he says " Aren't you Dick Tracy?".
After discovering The Wing's hangar, Dick Tracy does nothing about it until the last chapter.
Chapter 13: Whitey does not remember Dick Tracy, having been arrested by him.
The substitution of Carlton Young for Richard Beach in the first place. It was wholly unnecessary and meant that a different looking and sounding Gordon appeared in the rest of the serial. Carlton Young was not even dubbed for consistency as is the usual practice.
Despite Dick Tracy had two encounters at The Old Beachwood Hotel, nothing has been done until the final chapter.