Killing Season (previously titled Shrapnel) is a 2013 American action thriller film written by Evan Daugherty and directed by Mark Steven Johnson for Millennium Films, as the first on-screen pairing of actors John Travolta and Robert De Niro. The film pertains to a personal fight between an American and a Serb war veteran. Daugherty's script caught the attention of producers after winning the 2008 Script Pipeline Screenwriting Competition. The film received negative reviews from critics and was a box office bomb.