Yuusei Kamen
Japanese title: 遊星仮面
Alternative titles: Asteroid Mask, Planetary Mask
Type: TV
Source: Unknown
Episodes: 39
Status: Finished Airing
Aired: Jun 3, 1966 to Feb 21, 1967
Broadcast: Unknown
Duration: 25 min per ep
Rating: PG-13 - Teens 13 or older
Studios: Eiken
Genres: Sci-Fi

Donning a special mask, a young man defends the planet. 

(Source: AniDB)