在以頭上有無長角來決定階級的波亞桑星，皇帝胞弟的長子拉・格爾因頭上無角失去繼承權並被貶為勞奴，之後趁亂逃出母星，被地球的女科學家剛光代所救，之後與她結婚並化名剛健太郎，育有三子，與濱口博士跟岡防衛長官共同建造了巨大機器人「波羅五號」跟基地「巨鷹堡」。另一方面，拉・格爾之子海尼爾，為了表示對皇帝的忠誠，開始率領獸士侵略地球。波羅五號跟波亞桑獸士之間壯烈的死鬥開始了。
Script (eps 1, 4, 8, 12, 16-17, 21, 25-26, 28-29, 32-33)
Key Animation
Key Animation (OP)
Storyboard (eps 30, 34, 39), Episode Director (eps 15, 19, 23-24, 30, 39), Animation Director, Key Animation
Episode Director (ep 31)
Script (eps 3, 14, 20, 31, 35, 38)
Theme Song Performance
Theme Song Performance (1-40)
Background Art
Storyboard
Episode Director
Key Animation
Storyboard (eps 1, 3, 6, 9, 12, 16, 19), Episode Director (eps 1, 3, 6, 9, 12, 16), Producer
Key Animation (ep 3, 8, 14, 18, 21, 26, 29, 34, 38 )
Character Design (animation character design), Animation Director (ep 4, 9, 17, 22, 27, 31, 35 ), Key Animation (ep 4, 9, 12, 17, 22, 27, 31, 35, OP1 )
Theme Song Arrangement (OP & ED)
Theme Song Performance (OP)
Theme Song Performance (OP & ED)
Director (Chief Director), Episode Director (ep 31), Chief Animation Director, Sound Director, Theme Song Lyrics (ED)
Original Character Design, Character Design, Mechanical Design
Sound Effects
Character Design
Art Director
Key Animation
Music
Script
1977年 季度排名 #1
1977年 動畫總排名 #31