Trivia: This was the first time in which director Isadore Freleng was credited as "Friz" Freleng in a Warner Brothers cartoon.
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.
Trivia: Even though this was Speedy Gonzales' second cartoon, he was re-designed after his debut in "Cat-Tails for Two" and this was the first appearance of Speedy as we know him today.