The Little Hero (小さな英雄 Chiisana Eiyū), also known as The Small Hero, is the 37th episode of Ultraman.
As a warning to the Earth for the defeated monsters, Geronimon a powerful monster revives Dorako, Telesdon, including the Friendly Monster Pigmon who warned the SSSP of Geronimon' plan to revive 60 Monsters.
- Toshio Muramatsu (ムラマツ・トシオ Muramatsu Toshio): Akiji Kobayashi (小林 昭二 Kobayashi Akiji)
- Shin Hayata (ハヤタ シン Hayata Shin): Susumu Kurobe (黒部 進 Kurobe Susumu)
- Akiko Fuji (フジ アキコ Fuji Akiko): Hiroko Sakurai (櫻井 浩子 Sakurai Hiroko)
- Daisuke Arashi (アラシ・ダイスケ Arashi Daisuke): Sandayū Dokumamushi (毒蝮 三太夫 Dokumamushi Sandayū)
- Mitsuhiro Ide (イデ・ミツヒロ Ide Mitsuhiro): Masanari Nihei (二平 政成 Nihei Masanari)
- Ultraman (ウルトラマン Urutoraman): Masao Nakasone (中曽根雅夫 Nakasone Masao) (grunts)
- Re-Pigmon (再生ピグモン Saisei Pigumon): Kiyoshi Komiyama小宮山清 (Komiyama Kiyoshi )
- Narrator (ナレーター Nareta): Hikari Urano (浦野光 Urano Hikari)
- Ultraman (ウルトラマン Urutoraman): Bin Furuya (古谷敏 Furuya Bin)
- Re-Dorako (再生ドラコ Saisei Dorako): Ēichi Matsushima (松島映一 Matsushima Ēichi)
- Re-Telesdon (再生テレスドン Saisei Teresudon): Yukihiro Seino (清野幸弘 Seino Yukihiro)
- Geronimon (ジェロニモン Jieronimon): Teruo Aragaki (荒垣輝雄 Aragaki Teruo)
- Re-Pigmon (再生ピグモン Saisei Pigumon): Oyake Masahiro (小宅雅裕 Masahiro Oyake)
- Ultraman Volume 10 features episodes 37-39.
- Ultraman The Complete Series features all Episodes.
- Red King and Gabora were originally going to be the resurrected kaiju, but because the suits were used so often, they were replaced by Telesdon and Dorako. In the English Subtitled version of the episode, it still says that the resurrected kaiju are Red King and Gabora. Also, a toy of Red King appears in this episode.
- With a rating of 42.8%, this was the highest rated episode of Ultraman.
- This episode was later featured in episode 45 of New Ultraman Retsuden, "Little Heroes! Geronimon's Back!!".