S08E14: Country Blues/A Matter of Taste/Frat Brothers Forever

A cute country girl who aspires to be a singer falls for a young country music star, but his manager knows that his star can only write songs when sad; two interior designers, former lovers, compete to redecorate the ship and eventually end up together again; one of Doc's womanizing fraternity brothers from his college days arrives on board, but with his male lover secretly in tow.