Trivia: Gromit was originally supposed to be a cat, but it was decided that a dog was easier to sculpt from plasticine.
Trivia: After Sylvester has swallowed the bowling ball, he goes back down the drainpipe and out into the street. When this happens, look behind him and you can see a sign saying "Drink Friz! Six Delicious Flavors" - a reference to the director Friz Freleng. There is also a building with "Champin's 5 and 10" on it - a reference to the animator Ken Champin.
Trivia: Just after Linus seals his letter to the Great Pumpkin in an envelope, he walks past Lucy who is sitting on the floor watching TV. In her hands, Lucy is holding an issue of TV Guide Magazine. On the cover? Lucy, sitting on the floor in the same position, wearing the same blue dress. (00:07:00)Professor Zed
Trivia: This was the first Tom and Jerry cartoon to be released in CinemaScope, as well as the first not to have Mammy Two-Shoes as the owner of the house.
Trivia: When we see the start of the newsflash at the theatre, the opening title has "Selzer" as the cameraman and the narrator is "Moray." "Selzer" is a reference to the Warner Brothers producer Eddie Selzer, whereas "Moray" is a reference to Norman Moray, the key executive with the Vitaphone Corporation, Warner Brothers' short subject division.