Continuity mistake: When Daffy sees Dr Jerkyl's house, he is holding a telegram in his hand that disappears when we see him in the next shot.
Continuity mistake: When we see Donald Duck at the beginning of the cartoon, he is holding a piece of paper in his left hand, but in the next shot the paper has disappeared.
Continuity mistake: When Porky is making his breakfast on the stove, the direction of the frying pan handle changes between shots.
Continuity mistake: When Elmer opens the door and finds Bugs at the dressing table in ladies' underwear, you can see the door is positioned on the left hand side of the frame. But when we see Bugs, the door is now on the right hand side.
Continuity mistake: When we see Elmer reading his book at the beginning of the cartoon, the strap of his gun switches shoulders between shots.
Audio problem: When we see the moth singing on his way to the bar, his mouth doesn't move.
Audio problem: When Bugs throws the stick of dynamite from the hole back at Elmer, Elmer screams but his mouth doesn't move.
Continuity mistake: When the curtain comes down at the end of Bill & Bert's act at the theatre, the curtain changes from light purple to dark purple between shots.
Continuity mistake: When Tom is smoothing down his hair while at the dressing table, he uses a brush to flatten down a hair, but when we see Tom in the next shot, the brush is nowhere to be seen.