7.0/1024 votes#1 - Power Up!
Season 1 Episode 1 - Aired 4/6/2003
When Astro is activated the city's power starts to drain, and he must try and stop the robot Magnamite from destroying everything. Armed with Kokoro (the ability of free will) Astro discovers his purpose for being activated.
Director: N/A
Writer: N/A
7.4/1010 votes#2 - Rocket Ball
Season 1 Episode 2 - Aired 4/13/2003
When a friendly robot-dog invites Astro to watch a game of Rocket Ball, he looks forward to a fun day at the ballpark, Instead, the game turns chaotic when the robot players start destroying the stadium and threatening the human spectators. Astro must find a way to save the humans and get the robot athletes under control!
Director: N/A
Writer: N/A
8.0/1010 votes#3 - Destination Deimos
Season 1 Episode 3 - Aired 4/20/2003
On Deimos, one of the two moons of Mars, robot miners ignore the orders of their human foreman and mysteriously begin digging on their own. Astro must work fast to discover the cause of the robots' strange behavior before Intergalactic Security exterminates them for disobeying.
Director: N/A
Writer: N/A
7.9/109 votes#4 - Into Thin Air
Season 1 Episode 4 - Aired 4/27/2003
The evil Skunk tricks Denkou, an "Invisible Robot," into committing a string of robberies. Astro soon realizes that Denkou is not bad, she just doesn't know the difference between right and wrong and Astro is the only one that can teach her.
Director: N/A
Writer: N/A
7.9/1011 votes#5 - Rainbow Canyon
Season 1 Episode 5 - Aired 5/4/2003
An experiment in advanced weather technology has turned a desert canyon into fertile farmland, and proven once again that humans and robots can work together, But a sudden rash of earthquakes and storms threatens to wreck the project. It's up to Astro to find out who is behind the evil plan.
Director: N/A
Writer: N/A
7.0/1010 votes#6 - Birth of Atlas
Season 1 Episode 6 - Aired 5/11/2003
Dr. Tenma builds a powerful robot named Atlas whose abilities rival Astro's, But Atlas has a rebellious nature and begins to destroy Metro City. Astro must save the city from Atlas, while beginning to learn the secrets of his own past.
Director: N/A
Writer: N/A
7.8/107 votes#7 - Astro Vs. Atlas
Season 1 Episode 7 - Aired 5/18/2003
As Atlas continues his rampage, Astro learns the truth about his own past. With the memory circuits reactivated, Astro remembers being created, rejected, abandoned by Dr. Tenma, Astro must face difficult questions about his own identity and his ultimate destiny.
Director: N/A
Writer: N/A
8.0/108 votes#8 - Neon Express
Season 1 Episode 8 - Aired 5/25/2003
When Kato hides a hyper-accelerator virus on the robotic super train Neon Express, it sends the train and its passengers speeding out of control. Astro must rescue the passengers and prevent the train from crashing into the center of Metro City.
Director: N/A
Writer: N/A
7.8/107 votes#9 - Franken
Season 1 Episode 9 - Aired 6/1/2003
A mysterious robot terrifies humans as he hunts for scrap robot parts and uses them to rebuild his own malfunctioning system. The police target the robot for destruction, but he may not be the "evil robot" he appears to be, and Astro must uncover the truth before its to late.
Director: N/A
Writer: N/A
7.8/107 votes#10 - The Venus Robots
Season 1 Episode 10 - Aired 6/8/2003
In order to take advantage of their special freezing powers, Dr Tenma pretends to be the long-awaiting leader of a group of advanced robots. The Robots don't realize that their freezing functions cause terrible destruction by freezing everything in sight. Can Astro convince the Robots to reject Tenma's evil influence?
Director: N/A
Writer: N/A
7.8/107 votes#11 - Robot Circus
Season 1 Episode 11 - Aired 6/15/2003
A robot circus star named Reno is revealed to be a human boy in disguise. Astro must save the circus, and prevent the authorities from taking the boy from his robot family.
Director: N/A
Writer: N/A
7.8/107 votes#12 - Reviving Jumbo
Season 1 Episode 12 - Aired 6/22/2003
Skunk reactivates Jumbo, a giant robot and uses him to stage a daring prison break. Astro must stop Jumbo and turn him back into the gentle giant that he really is.
Director: Shigeharu Takahashi
Writer: N/A
8.1/109 votes#13 - Little Sister, Big Trouble
Season 1 Episode 13 - Aired 7/6/2003
Doctor O'Shay creates a robot-sister, Zoran, for Astro. While Zoran is off exploring she is captured by the giant robot bird Katari, and only her powerful big brother can save her!
Director: N/A
Writer: N/A
NaN/100 votes#14 - Micro Adventure
Season 1 Episode 14 - Aired 7/13/2003
A micro-robot attacks Zoran's operating system from the inside. Astro must shrink down to microscopic size and go inside of Zoran's system to fight the micro-robot and save his sister.
Director: N/A
Writer: N/A
NaN/100 votes#15 - Only a Machine
Season 1 Episode 15 - Aired 7/20/2003
Astro must stop Erasabot from sucking out the artificial intelligence from all the robots in Metro City.
Director: N/A
Writer: N/A
NaN/100 votes#16 - Robot Hunters
Season 1 Episode 16 - Aired 7/27/2003
An android robot hunter is attacking innocent robots and dismantling them for sale on the black market. Astro befriends the hunter and tries to help him overcome the programming he was given by Skunk.
Director: N/A
Writer: N/A
NaN/100 votes#17 - The Rise of Pluto
Season 1 Episode 17 - Aired 8/3/2003
Pluto vows to become the supreme robot champion of the world. As he defeats his rivals, he gains their special powers and becomes even stronger. Astro is the only one left who can stop Pluto.
Director: N/A
Writer: N/A
NaN/100 votes#18 - The Fall of Archeron
Season 1 Episode 18 - Aired 8/10/2003
No description available
Director: N/A
Writer: N/A
NaN/100 votes#19 - Robot Boy
Season 1 Episode 19 - Aired 8/17/2003
Astro's human friend Matthew loves robots so much that he pretends he is one. But when he tries to use "robot" powers to save his mom from a space shuttle accident, it's up to Astro to save them both.
Director: N/A
Writer: N/A
NaN/100 votes#20 - Dawn of the Techno-Revolution
Season 1 Episode 20 - Aired 8/24/2003
With his authority challenged by Shadow, Dr. Tenma sets out to prove that Astro is loyal to the robot cause and will join them in leading the robot revolution.
Director: N/A
Writer: N/A
NaN/100 votes#21 - Dragon Lake
Season 1 Episode 21 - Aired 8/31/2003
Astro must find the poison around Dragon Lake. When he gets there he meets the eccentric explorer Gulliver, and they face-off against the toxic Repo Girls in a fight to save Dragon Lake.
Director: N/A
Writer: N/A
NaN/100 votes#22 - The Legend of Tohron
Season 1 Episode 22 - Aired 9/7/2003
Astro must protect Princess Abby against a plot to take over her ancient land of Mayura.
Director: N/A
Writer: N/A
NaN/100 votes#23 - Lost In Outland
Season 1 Episode 23 - Aired 9/14/2003
While saving the planet from a falling satellite, Astro is damaged and loses his memory. Boon, a scientist with a mysterious past, tries to help Astro recover before another satellite hits Earth.
Director: N/A
Writer: N/A
NaN/100 votes#24 - March of the Micro Bears
Season 1 Episode 24 - Aired 9/21/2003
When Shadow unleashes an army of mind-controlling teddy bears on Metro City, it's up to Astro to stop them before they take over the entire population.
Director: N/A
Writer: N/A
NaN/100 votes#25 - Deep City
Season 1 Episode 25 - Aired 9/28/2003
An underground city threatens the environment, so the environment fights back--tree roots attack the city and its people. Astro must restore the delicate balance of nature to save the humans.
Director: N/A
Writer: N/A
The Best Episodes of Astro Boy Season 1
Every episode of Astro Boy Season 1 ranked from best to worst. Discover the Best Episodes of Astro Boy Season 1!
Astro is a robotic boy created by Dr. Tenma to replace his late son. When Tenma destroys his laboratory and shuts down Astro, the Ministry...
Genres:AnimationAction & AdventureSci-Fi & FantasyFamilyComedyKids
Season 1 Ratings Summary
"Power Up!" is the best rated episode of "Astro Boy" season 1. It scored 7/10 based on 24 votes. Directed by N/A and written by N/A, it aired on 4/6/2003. This episode is rated 0.4 points higher than the second-best, "Rocket Ball".