| Episode # | Title | Guest character | Aired |
|---|---|---|---|
| 1 | Mars is Born, Year 2015
2015 nen Marusu tanjō (2015年マルス誕生) |
Faitan | February 3, 1977 |
| 2 | Counterfeiting robot gang Robotto mitsuyudan (ロボット密輸団) |
February 10, 1977 | |
| 3 | Why is Mars crying? Marusu naze naku (マルスなぜ泣く) |
Mad Mask | February 17, 1977 |
| 4 | Goodbye, little brother! | Tack | February 24, 1977 |
| 5 | Talent, the greatest robot in history Shijō saikō no robotto Tarento (史上最高のロボットタレント) |
HamEgg | March 3, 1977 |
| 6 | The girl that came from the star of dreams Yume no hoshi kara kita shōjo (夢の星から来た少女) |
Dolly | March 10, 1977 |
| 7 | Missing Miri Kieta Miri (消えた美理) |
Skunk Kusanagi | March 17, 1977 |
| 8 | Where did dad go? Otōsan doko okonatta no? (お父さんどこ行ったの?) |
No.1 & No.2 | March 24, 1977 |
| 9 | Lamp, the space trader Uchū no shimatsujin Ranpu (宇宙の始末人ランプ) |
Acetylene Lamp | March 31, 1977 |
| 10 | My lil' brother's name is Melchi | Dr. Spice, Mrs. Tabasko | April 7, 1977 |
| 11 | Freshman Mars Shin'nyūsei Marusu (新入生マルス) |
Mason | April 14, 1977 |
| 12 | Jam Bond, Secret agent Himitsu chōhōin Jamu Bondo (ヒミツ諜報員ジャムボンド) |
Jam Bond | April 21, 1977 |
| 13 | Honey, robot exchange-student Robotto Tenkōsei Hanī (ロボット転校生ハニー) |
Honey | April 28, 1977 |
| 14 | The vampire from outer space Uchū kara no Kyūketsuki (宇宙からの吸血鬼) |
Kuroro | May 5, 1977 |
| 15 | Melchi likes Mouster Meruchi no sukina Mousutā (メルチのすきなモウスター) |
Mouster | May 12, 1977 |
| 16 | Zaza, the wandering planet Samayoeru wakusei Zaza (さまよえる惑星ザザ) |
Zazians | May 19, 1977 |
| 17 | The samurai robot from the seventh year of the Tenpō era Tenpō shichi-nen Samurai robotto (天保七年サムライロボット) |
Yumi, Samurai robot | June 2, 1977 |
| 18 | Resurrect, ancient robot Yomigaeru kodai robotto (よみがえる古代ロボット) |
Daedalus | June 16, 1977 |
| 19 | Mars' first love Marusu no hatsukoi (マルスの初恋) |
Agunea, Marukubi Boon | June 23, 1977 |
| 20 | Mars becomes a young boss Marusu waka oyabun ni naru (マルス若親分になる) |
Dr. Jin | June 30, 1977 |
| 21 | Mighty Robot Joe Tetsuwan Robotto Jō (鉄腕ロボット・ジョー) |
Joe Asnaro | July 7, 1977 |
| 22 | Android Lullaby Andoroido no komoriuta (アンドロイドの子守唄) |
Mayumi | July 21, 1977 |
| 23 | The wandering robot Sasurai no robotto (さすらいのロボット) |
Adios | July 28, 1977 |
| 24 | Miri, alone again Mou hitori no Miri (もう一人の美理) |
Saromi | August 18, 1977 |
| 25 | The wolf-boy from space Uchū no ōkami shōnen (宇宙の狼少年) |
September 1, 1977 | |
| 26 | Adios returns Kaettekita Adiosu (帰ってきたアディオス) |
Dr. Kuromaru | September 8, 1977 |
| 27 | The flight beyond tomorrow! Ashita ni mukatte habatake! (明日に向かって羽ばたけ!) |
Sari | September 15, 1977 |
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All items (28)
