Actor Lucas Grabeel was the original choice to play Trevor, but since Trevor and Maddie (Ashley Tisdale) had a kissing scene, they decided against casting him, as Grabeel and Tisdale play siblings on the film "High School Musical."
One scene shows Cody's crowded closet refers to the movie "A Night at the Opera," where a cabin gets crowded.
In an interview for Elle in January 2020, Ashley Tisdale (Maddie) named Zac Efron (Trevor) as her worst on-screen kiss, explaining that they have such a close relationship that he is like her brother, which made it weird. Additionally, she says, he is used to acting on The CW; he tried to use tongue, which is considered less appropriate for the Disney Channel.
Actresses Zac Efron and Ashley Tisdale starred alongside each other in High School Musical. However, in High School, Musical Ashley Tisdale's character has an unrequited crush on Zac Efron's character, but in The Suite Life of Zack and Cody, their characters fall for each other.
The episode's title is a reference to The Odd Couple.