

Astro Boy Tetsuwan Atom
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Episodes (12/50)
39EP 39Time Hunters Atom and Uran travel to the past to rescue a baby mammoth from future hunters.
Jan 11, 2004Future hunters capture superior animals to genetically engineer stronger creatures, having already secured a nearly extinct cheetah. They then travel ten thousand years into the past to hunt a mammoth. Atom and Uran are accidentally transported to this era, where Uran arrives first and is saved from hyenas by a primitive boy. Despite the language barrier, the trio forms a deep bond. Meanwhile, the hunters pursue the mammoth accompanied by monsters named Cyclops and Web. Upon hearing the cries of a baby mammoth, Atom decides to intervene and rescue the animal from the ongoing hunt.
40EP 40Robot Hatred / Escape from Volcano Island
Jan 18, 2004The annual Best Robot of the Year award ceremony takes place aboard the Queen Cosmo cruise ship, where Atom is honored as a winner alongside Dr. Ochanomizu. A robot-hating individual named Lamp attempts to sabotage the event by artificially triggering a volcanic eruption to sink the vessel. Despite his intense animosity toward machines, Lamp harbors a persistent memory of Friend, a robot that saved his life long ago. The ship unknowingly sails toward a volcanic island, which serves as the location where Lamp and Friend once shared significant time together, setting the stage for the impending disaster.
41EP 41A giant robot linked to a past accident is discovered in the Snowfield in the Sky.
Jan 25, 2004A giant entity is sighted in the Snowfield in the Sky on Mount Herve, prompting Atom to join a search party. Dr. Ochanomizu clarifies that the creature is not a monster, but a robot that vanished twelve years ago during the Chronos Project. This project utilized the Merchiades plasma wave telescope to observe the universe before a mysterious avalanche buried the site. The robot shares a significant history with Yūko, Ochanomizu’s secretary, who requests to join the search. Atom and Yūko locate the missing machine, and Yūko addresses it as Gulliver. However, Gulliver has no recollection of his past or his connection to the previous events.
42EP 42Atom travels to Steel Island to stop Lamp and the Blue Knight from destroying each other.
Feb 1, 2004The Blue Knight attacks humans to protect mistreated robots, causing Atom concern over human-robot relations. Meanwhile, the anti-robotist Lamp, influenced by Tenma and armed with a Dr. Tenma weapon, travels to the artificial Pacific Steel Island to exterminate the Blue Knight and his charges. Atom arrives to find the island in chaos as Lamp seeks to destroy the robots and the Blue Knight attempts to kill humans. Caught between these forces, Atom strives to save both sides. However, Lamp has triggered a bomb designed to annihilate the robots and holds the detonator, threatening total destruction unless he is stopped.
43EP 43Klaus flees after removing his transmitter, prompting Atom and Delta to pursue him for a vaccine.
Feb 8, 2004Klaus, a robot designed for undercover work, removes his transmitter and runs away, but a virus disables him without it. Atom and Delta chase him to deliver a vaccine before his memory is erased and he undergoes renewal. Klaus has awakened to human emotions and yearns to live as a human. He fled to hear a song he deeply loved, but his location is unknown. Atom must find Klaus quickly to administer the vaccine in time. Meanwhile, Cutter pursues Atom to stop him, unhappy with Klaus’s actions. The outcome of this urgent pursuit remains uncertain as time runs out for the robot seeking humanity.
44EP 44Atom and friends investigate robot silence in Mayura after rumors of a dragon in Tohron Forest
Feb 15, 2004Princess Kaya invites Atom and his companions to the nature-rich Kingdom of Mayura, where they joyfully reunite with Princess Kara. Despite the pleasant atmosphere, Kaya expresses deep concern because the robots, who have resided in the kingdom for a year, have ceased communicating with humans for approximately one month. Although humans have always treated the robots as friends, Kaya fears the machines may be unhappy with their living situation. The group then encounters rumors of a dragon sighting in Tohron Forest, prompting them to suspect a connection to the recent communication breakdown. Determined to uncover the truth behind the robots' sudden silence, Atom and his friends travel to the forest to investigate the situation firsthand.
45EP 45Misunderstanding leads to robot dismantling order as Blue Knight intervenes
Feb 22, 2004Ena, who loves GP IV robot Kipp, falls down stairs after protesting her father Red’s decision to expel him. The butler misinterprets the incident, falsely accusing Kipp of revenge. This rumor terrifies the public, resulting in a mandate to dismantle all GP IV robots. While Ena remains unconscious, Atom seeks a way to save his kindred machines. The Blue Knight then appears, rescuing the GP IVs from removal and declaring his separation from humanity.
46EP 46Blue Knight Establishes Robotania in Antarctica Amidst Rising Human Hostility
Feb 29, 2004The Blue Knight and his robotic followers settle in Antarctica, declaring the territory Robotania. Humans misinterpret this as a rebellion, leading to widespread fear toward Atom and a mandate to dismantle all AI robots. Ochanomizu opposes this decision and is branded an enemy of humanity. Inspector Tawashi is forced to pursue Atom but secretly allows him to escape. Ochanomizu entrusts Atom with the mission to travel to Antarctica and meet the Blue Knight to secure a peaceful future for both species. Meanwhile, Ena regains consciousness and is confused by the claim that Kipp threw her down the stairs, as well as the ensuing chaos surrounding these events.
47EP 47The Decisive Battle of Antarctica and the Showdown at Robotania
Mar 7, 2004Duke Red leads the Ulysses crew to Robotania to subdue the robots, while Ena and Reno pursue them to stop the attack. Ena attempts to convince her father that Kipp did not harm her. Meanwhile, Atom arrives to halt the conflict but loses power and falls into a crevasse. Dr. Tenma rescues him and urges Atom to abandon humanity and rule over robots, offering a new body, but Atom refuses and departs. In the town, AI robots including Uran face dismantling as the war between humans and machines intensifies. The conflict escalates when Duke Red activates a satellite beam cannon designed to instantly destroy Robotania.
48EP 48Atom and Blue Knight attempt to halt the escalating conflict between humans and robots
Mar 14, 2004Atom and the Blue Knight prevent Robotania’s destruction by a satellite beam, yet human-robot hatred deepens. Ena informs Duke Red that the battle stemmed from a misunderstanding. Meanwhile, Inspector Tawashi’s team uncovers that robot opposition forces fabricated film evidence of a robot rebellion. As these facts emerge, the entrenched animosity from the conflict remains unerasable, making peace seem impossible. Ochanomizu advises Atom that he alone can end the strife. Driven by a desperate resolve to persuade the Blue Knight and restore friendship between humans and robots, Atom sets out to stop the ongoing fight and bridge the divide.
49EP 49Atom Revived but Amnesiac After Dr. Tenma Rewrites His Memories and Claims Paternity
Mar 21, 2004Atom’s sacrifice restored human-robot relations, yet he remains unconscious after shielding robots from a missile. Dr. Ochanomizu tirelessly repairs him while global hopes for his return grow. Tenma arrives, claiming he alone can save Atom. Ochanomizu entrusts the boy to him. One month later, Atom revives but fails to recognize Ochanomizu, believing he is human and Tenma is his father. Tenma has rewritten Atom’s memories. Meanwhile, Lamp pursues both Atom and Tenma, adding danger to this new reality.
50EP 50Atom confronts Tenma at Plant 7 as the scientist seeks revenge for his lost son.
Mar 28, 2004Atom regains his memories and returns to Ochanomizu, prompting Tenma to aggressively seize control of the Ministry of Science using a robot dog. Tenma demands a private meeting with Atom, threatening to detonate a bomb within the facility. The confrontation takes place at Plant 7, a site significant to Tenma’s past with his son Tobio. During this encounter, Tenma’s deep sorrow and despair over abandoning Atom are revealed. In a fit of madness, Tenma raises the blast furnace temperature to destroy the Ministry. As the facility nears explosion, Tenma urges Atom to flee, forcing the young robot to make a painful decision regarding his creator’s fate.
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Frequently asked questions
- How many episodes does Astro Boy Tetsuwan Atom have?
- Astro Boy Tetsuwan Atom has 50 episodes.
- When did Astro Boy Tetsuwan Atom come out?
- Astro Boy Tetsuwan Atom came out in 2003.
- Which studio made Astro Boy Tetsuwan Atom?
- Astro Boy Tetsuwan Atom was produced by Tezuka Productions.
- Who directed Astro Boy Tetsuwan Atom?
- Astro Boy Tetsuwan Atom was directed by Hiroshi Katou.
- Is Astro Boy Tetsuwan Atom finished?
- Current status of Astro Boy Tetsuwan Atom: Finished.













