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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!

Binge this in 20h 0m•Peaking at 8.9/10

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 of Science revives him and tries to give him a

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Fuji TVKansai TVHokkaido Cultural BroadcastingSendai Television
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Episode Rankings

  1. #1 Fan Favorite
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    Astro Boy Season 1 Episode 48 - Journey to Tomorrow
    8.9/10(9 votes)

    #1 - Journey to Tomorrow

    S1:E48

    No description available

    Director:Unknown
    Writer:Unknown

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  2. Astro Boy Season 1 Episode 32 - The Secret of Blue Knight
    8.8/10(8 votes)

    #2 - The Secret of Blue Knight

    S1:E32

    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:Unknown
    Writer:Unknown

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  3. Astro Boy Season 1 Episode 35 - Firebird
    8.7/10(10 votes)

    #3 - Firebird

    S1:E35

    No description available

    Director:Unknown
    Writer:Unknown

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  4. Astro Boy Season 1 Episode 47 - Showdown in Robotonia
    8.7/10(11 votes)

    #4 - Showdown in Robotonia

    S1:E47

    No description available

    Director:Unknown
    Writer:Unknown

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  5. Astro Boy Season 1 Episode 50 - The Final Battle
    8.7/10(17 votes)

    #5 - The Final Battle

    S1:E50

    No description available

    Director:Unknown
    Writer:Unknown

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  6. Astro Boy Season 1 Episode 49 - Astro Reborn
    8.6/10(9 votes)

    #6 - Astro Reborn

    S1:E49

    No description available

    Director:Unknown
    Writer:Unknown

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    The 20 WORST Episodes of Astro Boy

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  7. Astro Boy Season 1 Episode 46 - Robotonia
    8.5/10(11 votes)

    #7 - Robotonia

    S1:E46

    No description available

    Director:Unknown
    Writer:Unknown

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  8. Astro Boy Season 1 Episode 18 - The Fall of Archeron
    8.4/10(9 votes)

    #8 - The Fall of Archeron

    S1:E18

    No description available

    Director:Unknown
    Writer:Unknown

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  9. Astro Boy Season 1 Episode 26 - The Blue Knight
    8.4/10(7 votes)

    #9 - The Blue Knight

    S1:E26

    When air-blimp is threatened with a wormhole device, Astro is blamed and arrested. The Blue Knight helps him escape from jail, and together they must save the blimp and prove Astro's innocence.

    Director:Unknown
    Writer:Unknown

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  10. Astro Boy Season 1 Episode 28 - Hydra-Jacked
    8.4/10(9 votes)

    #10 - Hydra-Jacked

    S1:E28

    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:Unknown
    Writer:Unknown

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  11. Astro Boy Season 1 Episode 38 - Battle-Bot
    8.4/10(11 votes)

    #11 - Battle-Bot

    S1:E38

    No description available

    Director:Unknown
    Writer:Unknown

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  12. Astro Boy Season 1 Episode 43 - Undercover
    8.4/10(12 votes)

    #12 - Undercover

    S1:E43

    No description available

    Director:Unknown
    Writer:Unknown

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  13. Astro Boy Season 1 Episode 34 - Shape Shifter
    8.3/10(13 votes)

    #13 - Shape Shifter

    S1:E34

    No description available

    Director:Unknown
    Writer:Unknown

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  14. Astro Boy Season 1 Episode 37 - Atlas Strikes Back
    8.3/10(7 votes)

    #14 - Atlas Strikes Back

    S1:E37

    No description available

    Director:Unknown
    Writer:Unknown

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  15. Astro Boy Season 1 Episode 45 - Night Before the Revolution
    8.3/10(10 votes)

    #15 - Night Before the Revolution

    S1:E45

    No description available

    Director:Unknown
    Writer:Unknown

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  16. Astro Boy Season 1 Episode 27 - Old Dog, New Tricks
    8.2/10(6 votes)

    #16 - Old Dog, New Tricks

    S1:E27

    Astro partners with Yuko's Uncle Wally to solve a series of baffling robberies involving a dragon-like robotic monster.

    Director:Unknown
    Writer:Unknown

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  17. Astro Boy Season 1 Episode 36 - Space Academy
    8.2/10(9 votes)

    #17 - Space Academy

    S1:E36

    No description available

    Director:Unknown
    Writer:Unknown

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  18. Astro Boy Season 1 Episode 7 - Astro Vs. Atlas
    8.1/10(11 votes)

    #18 - Astro Vs. Atlas

    S1:E7

    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:Unknown
    Writer:Unknown

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  19. Astro Boy Season 1 Episode 17 - The Rise of Pluto
    8.1/10(9 votes)

    #19 - The Rise of Pluto

    S1:E17

    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:Unknown
    Writer:Unknown

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  20. Astro Boy Season 1 Episode 23 - Lost In Outland
    8.1/10(8 votes)

    #20 - Lost In Outland

    S1:E23

    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:Unknown
    Writer:Unknown

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  21. Astro Boy Season 1 Episode 25 - Deep City
    8.1/10(7 votes)

    #21 - Deep City

    S1:E25

    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:Unknown
    Writer:Unknown

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  22. Astro Boy Season 1 Episode 42 - Battle of Steel Island
    8.1/10(9 votes)

    #22 - Battle of Steel Island

    S1:E42

    No description available

    Director:Unknown
    Writer:Unknown

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  23. Astro Boy Season 1 Episode 14 - Micro Adventure
    8.0/10(8 votes)

    #23 - Micro Adventure

    S1:E14

    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:Unknown
    Writer:Unknown

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  24. Astro Boy Season 1 Episode 15 - Only a Machine
    8.0/10(7 votes)

    #24 - Only a Machine

    S1:E15

    Astro must stop Erasabot from sucking out the artificial intelligence from all the robots in Metro City.

    Director:Unknown
    Writer:Unknown

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  25. Astro Boy Season 1 Episode 20 - Dawn of the Techno-Revolution
    8.0/10(9 votes)

    #25 - Dawn of the Techno-Revolution

    S1:E20

    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:Unknown
    Writer:Unknown

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Best Episodes Summary

"Journey to Tomorrow" is the best rated episode of "Astro Boy". It scored 8.9/10 based on 9 votes. Directed by Unknown and written by Unknown, it aired on 3/14/2004. This episode scored 0.1 points higher than the second highest rated, "The Secret of Blue Knight".