Cowboy Bebop
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Spaceships, bounty hunters, jazz music, hallucinogenic mushrooms, and Bill Cosby.
A feature-length film was made in response to the show's massive popularity. It is a biography of Bob Dylan. (--not.)
The Bebop Impact
Cowboy Bebop remains to this day, one of the most universally accepted animated series from Japan. It is ofted cited as being a great "gateway" series to the world of Japanese animation. Many non-fans of anime have stated that while they hold disdain for the genre, they adore Bebop.
The series was also the first anime to be aired on [adult swim] back in 2001 (in back-to-back airings). Since it's original run, it has remained a favorite of the block; it's never gone too long.
Most of the team responsible for Cowboy Bebop have also been a major part of other [as] action shows. A majority of the animation staff went off to form the renowned studio BONES. Their first big project: The Cowboy Bebop movie.