Simon & Marcy "everyone [working on the series] was pitching in to make this one special". The episode features the voice of Ava Acres, who portrays the young version of Marceline. Acres had previously appeared in the third season episode "Memory of a Memory". As mentioned above, the episode makes notable use of the 1982 song "Where Everybody Knows Your Name" by Gary Portnoy—better known as the theme to the sitcom "Cheers". According to Sugar's father, Rob, on his official YouTube channel, the use of the song started merely as a placeholder. However, as the episode developed, Sugar decided to keep it in
Everybody Knows (Leonard Cohen song) 2015 movie "The Program". Don Henley's version is heard in episode 219 of the television series "Judging Amy", which aired in 2001. Later, the Concrete Blonde version was featured in the third episode of the first season of "Dirty Sexy Money" entitled the "Italian Banker". "Everybody Knows" has also been used in a June 2008 anti-smoking advertisement commissioned by the New South Wales government in Australia with the theme "everybody knows smoking causes these diseases ... yet you still do it". A cover of the song by Sigrid plays during the opening credits of "Justice League". Cohen's version plays at