"Killed by Death" is the eighteenth episode of season two of the television show Buffy the Vampire Slayer, and the thirtieth episode in the series. It was directed by Deran Serafian and written by Rob Des Hotel and Dean Batali. It was originally broadcast on March 3, 1998. After a flu lands Buffy in the hospital, she rescues fevered patients from Der Kindestod, a demon that sucks the life out of hospitalized children.