2003 Colour Series

In 2003, in celebration of Astro Boy‘s 40th anniversary, Tezuka Productions and Sony Pictures released a brand new Astro Boy cartoon. The series consisted of 50 episodes.

The American episode order differed from the Japanese episode order. On the American episode list below, the corresponding Japanese episode number is listed in parentheses.

In the English dub, Eternal Boy was replaced by Dawn of the Techno Revolution due to its similarities with the story of Peter Pan.

Japanese Episode Order

Translated Episode NameJapanese Episode NameOriginal Air Date
1. Power Up!パワーアップ!April 6, 2003
2. Robot BallロボットボールApril 13, 2003
3. Atom In Spaceアトム宇宙へ行くApril 20, 2003
4. Thunderbolt電光April 27, 2003
5. Save the Roboter Farm!ロボット農場を救え!May 4, 2003
6. Atlas Birthアトラル誕生May 11, 2003
7. Atom vs. AtlasアトムVSアトラスMay 18, 2003
8. Neon Expressロボット超特急May 25, 2003
9. FrankenフランケンJune 1, 2003
10. Venus Robot Invasion!金星ロボット襲来!June 8, 2003
11. The Robot Circus Arrives!ロボットサーカスがやって来た!June 15, 2003
12. Jumbo Revived!蘇ったジャンボ!June 22, 2003
13. The Birth of Uranウラン誕生July 6, 2003
14. Adventures of Microミクロの大冒険July 13, 2003
15. Population's Intelligence Protection!人工知能を守れ!July 20, 2003
16. Dark Robot Hunter闇のロボットハンターJuly 27, 2003
17. The Strongest Ground Robot地上最強のロボットAugust 3, 2003
18. The Dead Bruteブルートウは死なずAugust 10, 2003
19. Robot BoyロボットボーイAugust 17, 2003
20. Eternal Boy永遠の少年August 24, 2003
21. Monster Lake湖の怪物August 31, 2003
22. Goodbye PrincessさよならプリンセスSeptember 7, 2003
23. Lost Memory失われた記憶September 14, 2003
24. Bear-chanベアちゃんSeptember 21, 2003
25. Dr. Moshimo's Tearsもしも涙を流せたらSeptember 28, 2003
26. The Blue Knight Appears青騎士登場October 5, 2003
27. Detective Higeoyaji名探偵ヒゲオヤジOctober 12, 2003
28. Crisis of the Universe's Plant宇宙プラントの危機October 19, 2003
29. The Detective and Uranウランと名探偵October 26, 2003
30. Exploring the Underground地底探検November 2, 2003
31. Gunon's Adventureグーノンの大冒険November 9, 2003
32. Secret of the Blue Knight青騎士の秘密November 16, 2003
33. Fairy Tale妖精物語November 23, 2003
34. Deformation of Mupi変形生命ムーピーNovember 30, 2003
35. Atom vs. RockアトムVSロックDecember 7, 2003
36. Robots in Love恋するロボットDecember 14, 2003
37. Atlas Strikes Backアトラス逆襲December 21, 2003
38. Emily's Wishエイミーの願いDecember 28, 2003
39. Time HuntersタイムハンターJanuary 11, 2004
40. Robot Hatredロボット嫌いJanuary 18, 2004
41. Giant's Record巨人の記録January 25, 2004
42. Battle of Steel Island鉄鋼島の戦いFebruary 1, 2004
43. Robot Longing for a Human人間に憧れたロボットFebruary 8, 2004
44. To the Dragon's Forest龍の森へFebruary 15, 2004
45. The Eve of the Revolution革命前夜February 22, 2004
46. Founding Robotoniaロボタニア建国February 29, 2004
47. Decisive Battle! Robotonia決戦!南極大陸March 7, 2004
48. Journey to Tomorrow明日への旅立ちMarch 14, 2004
49. Atom's Revivalアトム復活March 21, 2004
50. Final Showdown最後の対決March 28, 2004

American Episode Order

Episode NameOriginal Air Date
1. (1) Power Up!January 17, 2004
2. (2) Rocket BallJanuary 24, 2004
3. (5) AtlasJanuary 31, 2004
4. (7) Astro vs AtlasFebruary 7, 2004
5. (3) Destination DeimosMarch 10, 2004
6. (4) Into Thin AirMarch 11, 2004
7. (5) Rainbow CanyonMarch 15, 2004
8. (8) Neon ExpressMarch 18, 2004
9. (9) FrankenMarch 22, 2004
10. (10) Venus RobotsMarch 23, 2004
11. (11) Reviving JumboMarch 23, 2004
12. (16) Robot HuntersMarch 25, 2004
13. (17) The Rise of PlutoMarch 29, 2004
14. (18) The Fall of AcheronMarch 30, 2004
15. (21) Dragon LakeMarch 24, 2004
16. (23) Lost in OutlandMarch 25, 2004
17. (25) Deep CityMarch 29, 2004
18. (26) The Blue KnightApril 6, 2004
19. (28) Hydra-JackedMarch 30, 2004
20. (30) Geo RaiderMarch 30, 2004
21. (32) Secret of the Blue KnightApril 30, 2004
22. (11) Robot CircusMarch 31, 2004
23. (13) Little Sister, Big TroubleApril 1, 2004
24. (14) Micro AdventureApril 1, 2004
25. (15) Only a MachineApril 5, 2004
26. (19) Robot BoyApril 6, 2004
27. (N/A) Dawn of the Techno RevolutionApril 6, 2004
28. (22) The Legend of TohronApril 26, 2004
29. (24) March of the Micro BearsApril 26, 2004
30. (27) Old Dog, New TricksMay 26, 2007
31. (29) The Case of the Phantom FowlJune 2, 2007
32. (31) GideonJune 9, 2007
33. (33) Fairy TaleJune 16, 2007
34. (34) Shape ShifterJune 23, 2007
35. (35) PhoenixJune 30, 2007
36. (36) Space AcademyJuly 7, 2007
37. (37) Atlas Strikes BackJuly 14, 2007
38. (38) Battle-BotJuly 21, 2007
39. (39) Time HuntersJuly 28, 2007
40. (40) Escape from Volcano IslandAugust 4, 2007
41. (41) AvalancheAugust 11, 2007
42. (42) Battle of Steel IslandAugust 18, 2007
43. (43) UndercoverAugust 25, 2007
44. (44) Into the Dragon's LairSeptember 1, 2007
45. (45) Night Before the RevolutionSeptember 8, 2007
46. (46) RobotoniaSeptember 15, 2007
47. (47) Showdown in RobotoniaSeptember 22, 2007
48. (48) Journey to TomorrowSeptember 29, 2007
49. (49) Astro RebornOctober 6, 2007
50. (50) The Final BattleOctober 13, 2007