The movie begins with a self-contained "mini-story" that reintroduces the crew through a botched robbery at a Martian convenience store:
Since Cowboy Bebop: Tengoku no Tobira (also known as Cowboy Bebop: The Movie or Knockin' on Heaven's Door ) is a rather than an episodic series, it does not have an "Episode 1". It serves as a standalone story set chronologically between sessions 22 and 23 of the original 1998 anime series. Cowboy Bebop: Tengoku no Tobira Episode 1
: A few days before Halloween on Mars, a terrorist explosion destroys a tanker truck, releasing a mysterious pathogen. The movie begins with a self-contained "mini-story" that
: While Jet waits outside, Spike is inside with headphones on, appearing oblivious to three robbers harassing the clerk. Spike is inside with headphones on