Hajime Ningen Gyatoruz
Genres: Comedy
Type: TV, Episodes: 77
Aired: Oct 5, 1974 to Mar 27, 1976
Studio: Tokyo Movie Shinsha
Source: Manga
Rating: PG-13 - Teens 13 or older
Synopsis:
A comedy about the wacky adventures of Giatrus and his tribe of the first human beings on the planet. 

(Source: AniDB)