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
Elliott Portnoy 1988 while studying at Oxford University as a Rhodes Scholar, Portnoy founded the organization Kids Enjoy Exercise Now (KEEN) with his wife, Estee Portnoy, and expanded it to Washington, D.C., in 1992. KEEN is a nonprofit organization that provides sports opportunities to children with severe and profound disabilities. Starting in 2006, the organization expanded beyond Washington, D.C. to eight U.S. cities. Portnoy also serves on the board of directors of several non-profit foundations including the MetaCancer Foundation. In 1999, "Washingtonian" magazine named him "Washingtonian of the Year" for his work with Kids Enjoy Exercise Now. Elliott Portnoy Elliott I. Portnoy