Madeline Ferguson's hometown, Missoula, Montana, is also David Lynch's birthplace.
The ending song, "The World Spins", is written by David Lynch.
The version of "What A Wonderful World" played by Leland, featuring a lengthy opening monologue, is the lesser known album version from Louis Armstrong And His Friends.
This episode was first broadcast on November 10, 1990, and was watched by an audience of 17.2 million households in the United States, about 20 percent of the available audience.
David Lynch has mentioned that he tried to avoid thinking about the morality of the narrative, or how it would be received by censors or critics, feeling that if he allowed that worry to affect him it would ultimately drive him to create something that made him uncomfortable, preferring instead to simply produce the episode he wanted to and be prepared to defend it if necessary. He has also compared the search for Laura's killer to the central narrative of the 1960s television series The Fugitive, which featured an ongoing search for a one-armed man. Contrasting the two, Lynch stated "each week, you know, they [the writers for The Fugitive] hardly ever dealt with that. And that's the beautiful thing. You keep wondering, 'When will he find this guy and set everything straight?' But then you knew it would be the end".