Koichi is the Japanese middle-school descendant of a race of extraterrestrials who crash-landed on the Earth 5000 years ago. He has psychokinetic powers which uses to fight the evil Yomi who wants to gain dominance over the world.
| Title | Air Date | Duration | ||
|---|---|---|---|---|
| Season 1 | Episode 1 | Episode 1 | 1973-01-01 | 30 min |
| Season 1 | Episode 2 | Episode 2 | 1973-01-08 | 30 min |
| Season 1 | Episode 3 | Episode 3 | 1973-01-15 | 30 min |
| Season 1 | Episode 4 | Episode 4 | 1973-01-22 | 30 min |
| Season 1 | Episode 5 | Episode 5 | 1973-01-29 | 30 min |
| Season 1 | Episode 6 | Episode 6 | 1973-02-05 | 30 min |
| Season 1 | Episode 7 | Episode 7 | 1973-02-12 | 30 min |
| Season 1 | Episode 8 | Episode 8 | 1973-02-19 | 30 min |
| Season 1 | Episode 9 | Episode 9 | 1973-02-26 | 30 min |
| Season 1 | Episode 10 | Episode 10 | 1973-03-05 | 30 min |
| Season 1 | Episode 11 | Episode 11 | 1973-03-12 | 30 min |
| Season 1 | Episode 12 | Episode 12 | 1973-03-19 | 30 min |
| Season 1 | Episode 13 | Episode 13 | 1973-03-26 | 30 min |
| Season 1 | Episode 14 | Episode 14 | 1973-04-02 | 30 min |
| Season 1 | Episode 15 | Episode 15 | 1973-04-09 | 30 min |
| Season 1 | Episode 16 | Episode 16 | 1973-04-16 | 30 min |
| Season 1 | Episode 17 | Episode 17 | 1973-04-23 | 30 min |
| Season 1 | Episode 18 | Episode 18 | 1973-04-30 | 30 min |
| Season 1 | Episode 19 | Episode 19 | 1973-05-07 | 30 min |
| Season 1 | Episode 20 | Episode 20 | 1973-05-14 | 30 min |
| Season 1 | Episode 21 | Episode 21 | 1973-05-21 | 30 min |
| Season 1 | Episode 22 | Episode 22 | 1973-05-28 | 30 min |
| Season 1 | Episode 23 | Episode 23 | 1973-06-04 | 30 min |
| Season 1 | Episode 24 | Episode 24 | 1973-06-11 | 30 min |
| Season 1 | Episode 25 | Episode 25 | 1973-06-18 | 30 min |
| Season 1 | Episode 26 | Episode 26 | 1973-06-25 | 30 min |
| Season 1 | Episode 27 | Episode 27 | 1973-07-02 | 30 min |
| Season 1 | Episode 28 | Episode 28 | 1973-07-09 | 30 min |
| Season 1 | Episode 29 | Episode 29 | 1973-07-16 | 30 min |
| Season 1 | Episode 30 | Episode 30 | 1973-07-23 | 30 min |
| Season 1 | Episode 31 | Episode 31 | 1973-07-30 | 30 min |
| Season 1 | Episode 32 | Episode 32 | 1973-08-06 | 30 min |
| Season 1 | Episode 33 | Episode 33 | 1973-08-13 | 30 min |
| Season 1 | Episode 34 | Episode 34 | 1973-08-20 | 30 min |
| Season 1 | Episode 35 | Episode 35 | 1973-08-27 | 30 min |
| Season 1 | Episode 36 | Episode 36 | 1973-09-03 | 30 min |
| Season 1 | Episode 37 | Episode 37 | 1973-09-10 | 30 min |
| Season 1 | Episode 38 | Episode 38 | 1973-09-17 | 30 min |
| Season 1 | Episode 39 | Episode 39 | 1973-09-24 | 30 min |
| Visual Effects | Shingo Araki | Character Designer |
| Production | Shinichi Miyazaki | Producer |
| Writing | Mitsuteru Yokoyama | Original Story |
| Sound | Shunsuke Kikuchi | Music |
