Season 5 Episode 15
Episode aired february 25, 2004
when an ancient sarcophagus arrives in the laboratory at wolfram & hart, fred opens a small compartment and is infected by an ancient disease that slowly begins to kill her. as angel and spike travel across the world in order to help her, wesley slowly begins to realize that there may be no stopping this disease.
sarah thompson sings 'l.a. song', which was written by david greenwalt and christian kane for lindsey mcdonald to perform on-stage in dead end (2001). thompson, who grew up doing musical theater, had begged joss whedon to allow her character to sing.