is a 2001 Japanese anime science fiction action film, based on the 1998 anime series Cowboy Bebop created by Sunrise and Hajime Yatate. Several staff from the original series returned to work on the film, including director Shinichirō Watanabe, writer Keiko Nobumoto, character desisnger and animation director Toshihiro Kawamoto and composer Yoko Kanno. The Japanese and English voice casts also reprised their roles. Set between episodes 22 and 23 of the original series, the plot centers on a mysterious terrorist planning to exterminate the human population of Mars by releasing a virus, with the bounty hunter crew of the spaceship Bebop working to capture the terrorist and prevent the attack.

Plot

A few days before Halloween on Mars, Faye witnesses an unidentified terrorist blow up a tanker truck while chasing another bounty. The blast spreads an unknown pathogen that kills and sickens numerous people. The Martian government offers an astounding 300 million Woolong bounty for the culprit's capture, which the crew is highly eager to earn. Faye and Edward identify the terrorist as Vincent Volaju, a soldier believed to have been killed on Titan. Vincent survived a test of the same pathogen he unleashed, having been immunized, but amnesia and hallucinations have since driven him insane.