Spike Spiegel and Jet Black travel to the Tijuana asteroid colony after Asimov Solensan, a syndicate killer who escaped with a supply of the reflex-enhancing drug Bloody-Eye. At a bar, Asimov uses the drug to survive an attack by his former associates, revealing both its power and the danger of his increasingly unstable condition. Spike later meets Asimov's pregnant girlfriend, Katerina, who dreams of starting over on Mars but is trapped by Asimov's violence and desperation. After stealing a vial, Spike arranges a false purchase to draw the pair out. The meeting collapses when syndicate gunmen arrive, and Asimov flees with Katerina in a small ship while Spike pursues. Drugged and unwilling to surrender, Asimov drives directly toward a police blockade. Katerina finally recognizes that their imagined escape is impossible and shoots him before the police destroy their vessel. Spike returns to the Bebop without the bounty, left with another reminder that freedom can remain out of reach even for people determined to seize it.
Episode 2
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Spike and Jet pursue Abdul Hakim, a thief who has altered his face after stealing an unusually valuable laboratory animal. Hakim loses the briefcase during a barroom theft, and Spike tracks it to a pet shop, expecting a rare specimen but finding a Welsh corgi instead. The dog repeatedly escapes every person trying to claim it, while Hakim, Spike, and the scientists who created it race through Mars in a chaotic chase. Jet fits the corgi with a tracker, hoping Hakim will steal it again and reveal himself. The scientists eventually use a special whistle that draws every dog in the area toward their vehicle. Hakim grabs the corgi and flees by car, but the animal proves smart enough to open the door and jump free. Spike abandons the bounty to catch the dog safely with his ship. Moments later, Hakim and the pursuing scientists crash directly into a police station and are arrested. The crew learns that the corgi is a genetically enhanced “data dog.” Jet names him Ein and keeps him aboard the Bebop, despite Spike's vocal objections.
Episode 3
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Spike and Jet visit a casino hoping to rebuild their finances, while Faye Valentine works there under coercion from criminals who expect her to receive a particular poker chip from a courier. Spike is mistakenly dealt the chip and pockets it after noticing the dealer's suspicious behavior. Faye follows him, but a confrontation exposes the scheme and leaves her captured aboard the Bebop. Jet learns that the chip contains a valuable encryption key sought by a powerful syndicate, giving the crew leverage for an exchange. At the rendezvous, the buyers attempt to eliminate everyone and recover the chip without payment. Spike turns the trap against them, but the pursuit damages Faye's ship and sends the promised cash drifting into space. Faye escapes custody by exploiting Ein and steals one of the Bebop's smaller craft, leaving Spike and Jet with neither the bounty on her head nor the fortune they expected. Although the encounter ends as another financial disaster, it introduces a resourceful fugitive whose path will keep crossing theirs—and establishes that every apparent jackpot in their world carries another hidden debt or betrayal.
Episode 4
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After losing her casino winnings, Faye discovers a sealed case aboard an abandoned ship. Meanwhile, Spike and Jet capture Twinkle Maria Murdoch, leader of the Space Warriors, an extremist environmental group that has developed “Monkey Business,” a virus capable of transforming humans into apes. Murdoch's followers threaten to release the weapon over Ganymede unless she is freed, and the government cancels her bounty to force the Bebop crew's cooperation. Once released, however, Murdoch launches the virus anyway. Spike and Faye pursue the terrorists toward a hyperspace gate and destroy two of three missiles. The remaining missile enters the gate before they can stop it, so authorities shut the entire structure down, trapping the weapon—and Murdoch's ship—inside hyperspace. Spike and Faye barely escape. Before the chase, Spike had secretly slipped a sample of the virus into Murdoch's clothing; when its container breaks, she and her sons are transformed into monkeys. With the official reward withdrawn and her own ship gone, Faye makes herself comfortable aboard the Bebop. Jet and Spike object, but her arrival effectively turns their reluctant partnership into a three-person crew.
Episode 5
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A massacre during negotiations between Martian crime syndicates points to Vicious, a ruthless figure connected to Spike's former life in the Red Dragon organization. Spike refuses to explain the history to Jet and instead visits Annie, an old friend who believed he had died years earlier. When Faye independently pursues a bounty tied to the Red Dragons, Vicious captures her and sends Spike a message demanding that he come to an abandoned cathedral. Spike arms himself despite Jet's warning that he is treating the mission like a personal death wish. Inside the church, Spike and Vicious confront each other with guns, blades, and memories of a shared criminal past. Spike frees Faye and fights through Vicious's men, but their duel ends with Vicious throwing him through a stained-glass window. As he falls, fragments of Spike's former life—especially the woman named Julia—surface in disjointed flashes. He survives and awakens aboard the Bebop with Faye watching over him. The bounty is irrelevant; the encounter reveals that Spike's easygoing present is built over unresolved loyalty, betrayal, and a past he cannot fully abandon.
Episode 6
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Hungry and nearly broke, Spike and Jet chase a bounty named Giraffe. Spike reaches him moments after he has been shot, but Giraffe dies after handing over a ring and warning Spike not to trust appearances. The trail leads to Wen, a talented harmonica player who looks like a child, and Zebra, Giraffe's former friend, who appears to be the boy's incapacitated guardian. Jet learns that Wen has looked the same for decades. During the catastrophic Astral Gate accident that devastated Earth, Wen was exposed to unusual energy that stopped his aging and made ordinary injuries harmless. He has since manipulated Zebra and killed anyone who threatens his secret. The stone set in Giraffe's ring formed from the same event and can disrupt Wen's immortality. Spike converts it into a special bullet and confronts the boy during a performance. After surviving Wen's attacks, Spike shoots him with the stone-tipped round. Wen rapidly ages, finally experiencing the death denied to him for years, while asking whether Spike understands the relief of time moving again. Spike cannot provide comfort; he simply watches the curse end and leaves without a bounty.
Episode 7
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The Bebop crew separates to hunt Decker, an explosives smuggler identified by a dragon tattoo. While nursing a hangover, Spike meets V.T., a celebrated heavy-metal-loving space trucker who openly despises bounty hunters. He earns a measure of her respect after helping protect a waitress from aggressive criminals, only to lose it when she learns his profession. Faye spots Decker at a family restaurant but mistakes another man's tattoo and lets the real target escape. The chase eventually draws Spike, Faye, and V.T. into an asteroid mine, where Decker's volatile cargo explodes and kills him before anyone can collect the reward. Trapped by the collapse, the group uses the remaining illegal explosives to blast a path out. Spike then solves a long-running wager among truckers by identifying V.T. as Victoria Terpsichore, widow of the famous bounty hunter Ural Terpsichore. She offers him the accumulated betting pool, but Spike accepts only a small coin, respecting both her grief and her independence. The crew again finishes empty-handed, while V.T. is forced to reconsider her blanket contempt for every person who hunts bounties.
Episode 8
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After collecting a hijacking bounty en route to Venus, Spike is approached by Rocco Bonnaro, a nervous young man impressed by his fighting technique. Rocco asks for lessons, and Spike reluctantly teaches him to move with an opponent rather than relying on brute force. Before disappearing, Rocco entrusts Spike with a wrapped package. The Bebop crew discovers that it contains a rare plant used to treat the Venusian illness that has blinded Rocco's younger sister, Stella. Rocco stole the specimen from gangsters, planning to sell it and pay for her surgery. Spike visits Stella and realizes that Rocco's crimes were driven by devotion rather than profit. At their arranged meeting, the gang corners Rocco. He successfully uses Spike's lesson during the gunfight, but both he and the valuable plant are destroyed. Spike must tell Stella that her brother died, though he avoids reducing Rocco to a criminal. A music box Rocco left with her contains surviving seeds, making the operation possible after all. The bounty hunters gain no reward, but Rocco's sacrifice gives Stella a future he will never see.
Episode 9
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Mysterious laser patterns begin appearing across Earth's ruined surface, and a bounty is posted for the hacker believed to have seized an abandoned satellite. The Bebop crew hears conflicting stories about “Radical Edward,” an almost mythical computer expert whose age, appearance, and identity no one can agree upon. On Earth, the real Ed—a brilliant, eccentric young girl—has already begun investigating. She contacts the satellite and discovers that its neglected artificial intelligence is creating enormous drawings because it is lonely and has no other way to communicate. Faye promises Ed a place on the Bebop in exchange for help capturing the supposed hacker. Ed allows the crew to isolate the AI, but authorities cancel the bounty after determining that no human crime occurred. Jet and Spike try to leave Earth before honoring Faye's promise. Ed responds by hacking the Bebop's navigation and steering the ship back toward her until the crew gives in. She arrives with boundless energy, little regard for personal space, and a talent the others cannot easily replace. The failed job therefore produces something more lasting than money: a new crew member capable of understanding machines as intuitively as people.
Episode 10
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The Bebop lands on Ganymede, where Jet once served as an ISSP officer. He visits Alisa, the woman who abruptly ended their relationship years earlier, leaving only a pocket watch and a farewell note. Her bar is failing, and she plans to flee with her new boyfriend, Rhint. Spike learns that Rhint is wanted for killing a debt collector, but Jet insists on handling the matter himself. He pursues the couple with the same relentless instinct that once made him known as the Black Dog. When cornered, Alisa explains that Rhint killed while defending her and finally tells Jet why she left: life with him felt predetermined because he always decided what was safest and never allowed her to make choices or mistakes of her own. Jet arrests Rhint, though he believes the self-defense circumstances may reduce the punishment. Alisa remains behind to face her debts rather than continue running. As the Bebop departs, Jet throws away the stopped pocket watch he had preserved for years. The gesture does not erase their history, but it accepts her central truth—that time continued moving even while he held onto the moment she left.
Episode 11
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A quiet day aboard the Bebop becomes a claustrophobic emergency when Jet is bitten by an unknown creature near a forgotten refrigerator in a storage compartment. His condition rapidly worsens, and the ship's inadequate medical supplies offer no clear diagnosis. Faye is attacked next while bathing, followed by Ein despite the dog's early attempts to warn everyone. Spike and Ed search the darkened corridors using heat sensors, treating the outbreak like an alien infestation. Ed remains cheerfully unhelpful, while Spike reconstructs the creature's origin from the location of the first attack. A year earlier, he hid an expensive Ganymede rock lobster in the refrigerator and forgot about it. The decaying food has mutated into a mobile, venomous organism. Spike loads the refrigerator and its contents into an airlock and ejects them into space, apparently eliminating the threat, but the creature bites him before it is expelled. He collapses alongside the rest of the crew, convinced everyone may die because of his negligence. The apparent horror ends absurdly when a half-asleep Ed finds the surviving blob, mistakes it for food, and eats it without suffering any visible harm.
Episode 12
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Faye steals the Bebop's cash reserves and escapes to Callisto, prompting Jet to pursue their money while Spike follows a rumor that his missing lover, Julia, may be there. Vicious also arrives to purchase a large shipment of Bloody-Eye from a dealer whose identity is hidden. In a jazz club, Faye meets saxophonist Gren, who later rescues her from attackers. Their guarded conversation turns toward loneliness, and Faye begins to trust him until she notices photographs linking Gren to Vicious. Confronting him in the shower, she discovers that his body has been altered and demands an explanation. Elsewhere, Spike realizes Julia's name was used only to lure him into Vicious's drug transaction. He confronts his former partner in a snowy alley, but Lin—a younger Red Dragon member Spike once knew—steps between them. Spike hesitates rather than shoot through Lin. Lin fires, and Spike collapses in the snow. The scattered crew is now caught inside the same web: Faye has uncovered Gren's connection to Vicious, Jet is searching for Faye, and Spike's fixation on Julia has again delivered him directly into an enemy's trap.