Pecos Pest (1955)

Continuity mistake: When Tom is running away from Uncle Pecos, he runs into the house and slams the door. When he slams the door, you can see the little door at the top has nothing on it, but in the next shot a handle has suddenly appeared.

Continuity mistake: When Uncle Pecos breaks his guitar string whilst rehearsing in Jerry's home, he goes up to Tom and pulls off one of his whiskers. The whisker Pecos pulls off is the one on the top left of Tom's face, but when Tom goes to check his face in the mirror a few shots later, the whisker Pecos pulled off is still intact, and the whisker in the bottom right has been pulled.

Trivia: "Pecos Pest" was the final Tom and Jerry cartoon produced by Fred Quimby before he went into retirement. From the next short, "That's My Mommy", until "Tot Watchers", all subsequent Tom and Jerry cartoons at MGM were produced and directed by William Hanna and Joseph Barbera.