Listen to Foster's House for Imaginary Friends Theme (From "Foster's House for Imaginary Friend") online. Foster's House for Imaginary Friends Theme (From "Foster's House for Imaginary Friend") is an English language song and is sung by Anime Kei. Foster's House for Imaginary Friends Theme (From "Foster's House for Imaginary Friend"), from the album Kid's TV Themes (30 Children's TV Classics New & Old), was released in the year 2013. The duration of the song is 1:01. Download English songs online from JioSaavn.