Season 1 (2003)
7.83 avg 50 episodes 7.1 → 8.4 24 min avg
| # | Title | Rating | Votes |
|---|---|---|---|
| 1 | Power Up! | 7.1 | 30 |
| 2 | Robotto Booru | 7.0 | 16 |
| 3 | Atomu uchuu e iku | 7.8 | 14 |
| 4 | Denkou | 7.5 | 14 |
| 5 | Robotto noujou o sukue! | 7.6 | 14 |
| 6 | Birth of Atlas | 7.6 | 17 |
| 7 | Atomu VS Atorasu | 8.1 | 11 |
| 8 | Robotto chou tokkyuu | 7.6 | 11 |
| 9 | Furanken | 7.7 | 11 |
| 10 | Kanaboshi robotto shuurai! | 7.2 | 10 |
| 11 | Robotto saakasu ga yatteki ta! | 7.2 | 10 |
| 12 | Yomigaetta Janbo | 7.2 | 10 |
| 13 | Uran tanjou | 7.7 | 11 |
| 14 | Mikuro no dai bouken | 8.0 | 8 |
| 15 | Jinkou chinou o mamore! | 8.0 | 7 |
| 16 | Yami no robotto hantaa | 7.7 | 10 |
| 17 | Chijou saikyou no robotto | 7.8 | 10 |
| 18 | Pluto Never Die | 8.0 | 10 |
| 19 | Robotto booi | 7.7 | 8 |
| 20 | Eien no shounen | 8.0 | 9 |
| 21 | Mizumi no kaibutsu | 7.3 | 7 |
| 22 | Sayonara Purinsesu | 7.5 | 7 |
| 23 | Ushinawareta kioku | 8.1 | 8 |
| 24 | Bea-chan | 7.3 | 7 |
| 25 | Moshimo namida o nagasetara | 8.1 | 7 |
| 26 | Aokishi tojo | 8.0 | 8 |
| 27 | Mei tantei higeoyaji | 8.2 | 6 |
| 28 | Uchu puranto no kiki | 8.0 | 10 |
| 29 | Uran to mei tantei | 7.5 | 6 |
| 30 | Chitei tanken | 7.7 | 8 |
| 31 | The Case of the Phantom Fowl | 7.8 | 11 |
| 32 | Aokishi no himitsu | 8.4 | 9 |
| 33 | Yosei monogatari | 7.6 | 9 |
| 34 | Shape Shifter | 8.3 | 13 |
| 35 | Atomu tai Rokku | 8.7 | 10 |
| 36 | Koisuru robotto | 8.2 | 9 |
| 37 | Atorasu gyakushu | 8.3 | 7 |
| 38 | Eimi no negai | 8.1 | 12 |
| 39 | Taimuhanta | 6.4 | 7 |
| 40 | Escape from Volcano Island | 8.0 | 10 |
| 41 | Kyojin no kioku | 8.0 | 9 |
| 42 | Koutetsu tou no tatakai | 7.8 | 10 |
| 43 | Undercover | 8.6 | 13 |
| 44 | Into the Dragon's Lair | 7.7 | 7 |
| 45 | Kakumei zenya | 8.1 | 11 |
| 46 | Robotania kenkoku | 8.3 | 12 |
| 47 | Kessen! nankyokutairiku | 8.3 | 12 |
| 48 | Ashita e no tabidachi | 8.2 | 10 |
| 49 | Atomu fukkatsu | 8.1 | 10 |
| 50 | Saigo no taiketsu | 8.4 | 18 |
