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.
Trivia: The mine that the Coyote comes out on his rocket has a sign outside saying "Selzer Mining Co" - a reference to the Warner Brothers producer Eddie Selzer.
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.
Trivia: The book that Bugs is reading at the start of the cartoon is authored by "Burton" - a reference the Warner Brothers production manager, John Burton.
Trivia: The 'home movies' that Butch took is footage from three previous Tom and Jerry shorts: "Solid Serenade", "Cat Fishin'" and "Fit To Be Tied."
Trivia: When the stork arrives at the apartments, the people who he is delivering the baby to is Mr and Mrs Pierce. This is a reference to the Warner Brothers story writer, Tedd Pierce.
Trivia: When the man is released from the Psychopathic Hospital, he spots the construction site when he originally found the frog. The man then hides the box in the cornerstone of the future "Tregoweth Brown Building" - a reference to the Warner Brothers sound editor Treg Brown.
Trivia: When we see a cat looking through the dustbins at the beginning of the cartoon, there is a newspaper on the ground that has "Foster" on the front page - a reference to the Warner Brothers story writer Warren Foster.