主角建次與自己的父親原本生活在史前時代生活，後來遇到了補捉時空怪獸的邪惡女王一行人與時空怪獸艾艾，後與父親被邪惡女王變成化石流傳到25世紀的日本，被雙胞胎姊弟小柔與阿時發現，之後被時空王國的國王變回原形，奉時空管理局之命，抓回因為時空王國被攻擊而流落到各個時空的時空怪獸。
Theme Song Performance (ending 2 "Jikuu no Kanata e")
Key Animation (ep 7)
Storyboard (ep 39), Episode Director (eps 1, 7, 39), Assistant Director
Key Animation (ep 7)
Key Animation (ep 5)
Production Manager
Key Animation (ep 2)
Key Animation (ep 2)
Key Animation (eps 3, 9)
In-Between Animation (ep 1)
Producer (Animation Producer)
In-Between Animation (ep 6)
Key Animation (ep 1, ED2)
Key Animation (ep 1)
Background Art (Art Design)
Theme Song Performance (Italian OP)
Theme Song Lyrics (ED 3)
Key Animation (ep 7, OP)
Storyboard (ep 20, 26, 38)
Animation Director (ep 23)
Episode Director (eps 29, 35)
Music
Storyboard (eps 4, 10, 16, 30, 36), Episode Director (eps 4, 10, 16, 24, 30, 36)
In-Between Animation (ep 3)
Key Animation (ep 5)
Storyboard (ep 24)
Storyboard (ep 32)
Character Design
Episode Director (eps 5, 11)
Animation Director (eps 3, 9, 15, 21, 27, 33, 39)
Art Director
Key Animation (OP1)
Storyboard (eps 11, 17, 23, 29, 35)
Sound Director
Storyboard (eps 25, 31, 37), Episode Director (eps 13, 19, 25, 31, 37)
Script (eps 1-2, 5, 7, 11, 16, 19, 21, 23, 25, 27, 30, 32,), Original Creator, Series Composition
Storyboard (eps 6, 12, 18, 22, 28, 34), Episode Director (eps 6, 12, 18, 22, 28, 34)
Episode Director (ep 7)
Director
1998年 季度排名 #1
1998年 動畫總排名 #31