Continuity mistake: After the hands draw the concert hall, the lion conductor walks out on stage to address the crowd. He stops in the center of the stage and turns, facing straight forward towards the camera. But then it cuts to a close up and suddenly his body is facing to the left. You can also tell by his shadow that he is suddenly much closer to the curtain behind him. (00:01:35)
Continuity mistake: When we are in the lounge of the haunted house at the beginning of the short, there is nothing on the round table, but in the very next shot some playing cards are now on the table.
Continuity mistake: When Porky arrives home, you can see a window looking outside to the right of the front door, but when Porky shoots the man upstairs a second time, the front door now leads to a hallway with a staircase.
Continuity mistake: In the theatre, a baby goose and his father are watching the show and you can see the baby goose is sitting at the far end of the row. But when the other audience members turn around to try and silence the goose, he now has two empty seats beside him.
Continuity mistake: Goodwill captures four of the pigs and confines them in a pillory, a wooden framework with six holes. The head of each pig is sticking through one of the holes. After Goodwill captures Petunia, Porky enters the laboratory and discovers the pillory. Five pigs are now confined, and the sixth hole has disappeared.