Columbo (character) he is visiting them. "Étude in Black" (1972) marked the first appearance of the lieutenant's basset hound, named "Dog". "Dog" came to be an occasional regular character in the films. Columbo considered names like "Fido", "Munch" and "Beethoven" but ultimately settled on "Dog". In "Sex and the Married Detective", Columbo is put on the spot when he is asked to play the tuba. Reluctantly he agrees, only to demonstrate great proficiency. He subsequently claimed that at school, the tuba was the only instrument left. In several episodes, Columbo is seen eating a breakfast of a boiled egg, usually while investigating
Mrs. Columbo 1980, after 13 episodes. Peter Falk expressed his disapproval of the spin-off, calling it a "bad idea" and "disgraceful". When "Columbo" returned to the air in 1989 on ABC, it was further established that Lt. Columbo and his wife Mrs. Columbo were still happily married and the existence of the series "Mrs. Columbo" was effectively ignored. The "Mrs. Columbo" episode "A Riddle for Puppets" was included as a bonus feature in the Region 1 DVD release of the fourth season of "Columbo", released in August 2005. The episode "Murder Is a Parlor Game" was included in the third season of