Entaku no Kishi Monogatari: Moero Arthur
Genres: Adventure, Drama, Romance
Type: TV, Episodes: 30
Aired: Sep 9, 1979 to Mar 30, 1980
Studio: Toei Animation
Source: Unknown
Rating: PG-13 - Teens 13 or older
Synopsis:
After his parents are killed by the Evil Lavic, Arthur is a contender to become King of all Britain. Arthur and his brave knights embark on a quest for the Holy Shield – the only hope to beat Lavic and unify the kingdom.

(Source: Toei Animation)