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
Mike Portnoy privacy), that "Neil and I have finally met and we spent some time together this week and had a great time...", and that a possible collaboration was underway/had been discussed with the teasing statement of "Patience everybody... all will soon be revealed!" It has now been revealed that this meeting with Neil Peart was for an interview Portnoy did for his stint as guest editor of Rhythm Magazine. Portnoy had previously written the liner notes for the Japanese pressing of Rush's 2002 release Vapor Trails, but publicly denounced Peart in 2000 after Peart called the people involved in the Rush