9.4/105 votesLoading...#1 - The Secret of Blue Knight
Season 1 Episode 32 - Aired 11/16/2003
When Astro and The Blue Knight try to stop illegal, underground robot fights, they are forced to fight each other. As they prepare for battle, Astro learns the truth about The Blue Knight's past.
Director: N/A
Writer: N/A
8.7/107 votesLoading...
8.4/1014 votesLoading...#3 - The Final Battle
Season 1 Episode 50 - Aired 3/28/2004
No description available
Director: N/A
Writer: N/A
8.3/1010 votesLoading...#4 - Shape Shifter
Season 1 Episode 34 - Aired 11/30/2003
No description available
Director: N/A
Writer: N/A
8.3/107 votesLoading...#5 - Astro Reborn
Season 1 Episode 49 - Aired 3/21/2004
No description available
Director: N/A
Writer: N/A
8.2/1011 votesLoading...#6 - 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
8.2/108 votesLoading...#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
8.2/106 votesLoading...#8 - Hydra-Jacked
Season 1 Episode 28 - Aired 10/19/2003
A power station orbiting the Earth is set to self-destruct, and Astro partners with the Blue Knight to try to save the robots. They uncover a secret regarding the corrupt humans who caused the danger.
Director: N/A
Writer: N/A
8.2/107 votesLoading...
8.2/109 votesLoading...#10 - Undercover
Season 1 Episode 43 - Aired 2/8/2004
No description available
Director: N/A
Writer: N/A
8.1/109 votesLoading...#11 - 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
8.1/108 votesLoading...#12 - Escape from Volcano Island
Season 1 Episode 40 - Aired 1/18/2004
No description available
Director: N/A
Writer: N/A
8.0/108 votesLoading...#13 - 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
8.0/108 votesLoading...
8.0/107 votesLoading...#15 - Space Academy
Season 1 Episode 36 - Aired 12/14/2003
No description available
Director: N/A
Writer: N/A
8.0/107 votesLoading...#16 - Battle-Bot
Season 1 Episode 38 - Aired 12/28/2003
No description available
Director: N/A
Writer: N/A
8.0/108 votesLoading...#17 - Robotonia
Season 1 Episode 46 - Aired 2/29/2004
No description available
Director: N/A
Writer: N/A
8.0/107 votesLoading...#18 - Journey to Tomorrow
Season 1 Episode 48 - Aired 3/14/2004
No description available
Director: N/A
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7.9/1011 votesLoading...#19 - 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
7.9/107 votesLoading...#20 - Fairy Tale
Season 1 Episode 33 - Aired 11/23/2003
No description available
Director: N/A
Writer: N/A
7.8/107 votesLoading...#21 - 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 votesLoading...#22 - 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 votesLoading...#23 - 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 votesLoading...#24 - 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
7.8/108 votesLoading...#25 - Night Before the Revolution
Season 1 Episode 45 - Aired 2/22/2004
No description available
Director: N/A
Writer: N/A
The Best Episodes of Astro Boy
Every episode of Astro Boy ranked from best to worst. Let's dive into the Best Episodes of Astro Boy!
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
Best Episodes Summary
"The Secret of Blue Knight" is the best rated episode of "Astro Boy". It scored 9.4/10 based on 5 votes. Directed by N/A and written by N/A, it aired on 11/16/2003. This episode scored 0.7 points higher than the second highest rated, "Firebird".