Cowboy Bebop: The Movie

"Cowboy Bebop: The Movie," also subtitled as "Knockin' On Heaven's Door," is a 115 minute, Japanese, animated film from 2001. The movie serves as an extension of the episodic anime series of the same name, occurring at some point in time between the 22nd and 23rd episodes, and follows Spike Spiegel and the rest of the Bebop's crew as they investigate the bounty of a terrorist who plans to kill thousands of people living on colonized Mars. They are not only tasked with stopping the man, but recovering the pathogen that he plans to use to achieve his homicidal aspirations.