Continuity mistake: When Pa Bear discovers that the newspaper he is reading is dated 1928, you can see that his left arm is bandaged, but when Ma Bear says "But Henry, I tried to tell you...", we cut back to Pa Bear and the bandage has disappeared.
Continuity mistake: When the millionaire is addressing Spike and Droopy at the beginning of the cartoon, you can see his briefcase is at the right hand corner of the table. In the next shot, the briefcase is now in front of the millionaire.
Continuity mistake: When we first see Bugs at the Opry House, you can see behind him there is a pink poster with "Frizby the Magician" on it, and on the left there is a yellow poster. But when we see Bugs in the next shot, the "Frizby" poster is now yellow, the poster on the left is now red and a "World's Strongest Man" poster has appeared on the right.
Continuity mistake: After Tom has torn up Jerry's diary, you can see that the pie is next the hole of Jerry's home, but when Jerry comes around the corner and sees Tom, the pie is now positioned near Tom's foot.
Continuity mistake: When the turtle comes in saying he is known as "The Man with 1000 Voices", look at Porky. You can see that the drawer in the filing cabinet behind him is closed and he is sitting directly in front of it, but after the turtle has finished his audition, the filing cabinet has moved a few inches away to the left and the drawer is now open.
Continuity mistake: When Tweety is running away from Sylvester, he hides in a tube of "Badminton Birds." When Sylvester comes around the corner, you can see there is a racquet next to the tube, but when we see Tweety coming out of the tube in the next shot, the racquet has disappeared.
Continuity mistake: In a close-up of the ACME Super Outfit, there are some small rocks by the box. When we see the Coyote in his outfit in the next shot, the rocks have disappeared.
Continuity mistake: At the beginning, Gregory Peck is in bed, tied down, when a storm opens his windows and blows out the candles. But when Ava Gardner walks in and closes the windows, the candles are alight again.
Other mistake: The calendar on the wall in Porky's kitchen shows April as having 31 days instead of 30.
Continuity mistake: When Sinatra comes down to Esther Williams to serenade her by the pool, she has just been swimming. When she meets up with him by the tree she is dry as a bone. Even her swimsuit is dry.
Continuity mistake: When Pluto sees the bubble gum machine, you can see that the slide lever is positioned on the left of the machine. In the next shot it is now on the right, and in the shot after that, it is back in its original position.
Character mistake: In Frank Sinatra's scene in the taxi cab, when the girl is singing "Come Up to My Place," he rolls the cab window down and when he rolls it back up, he catches the front of his hair (the quiff) and has to roll the window back down to release it.