Le Chevalier Lancelot
The Adventures of Sir Lancelot (original)
Les aventures de Sir Lancelot, chevalier de la Table Ronde auprès du roi Arthur.Les aventures de Sir Lancelot, chevalier de la Table Ronde auprès du roi Arthur.
Starring William Russell
It's a action & adventure and family show, and has a rating of 7 out of 10 from Imdb which is usually fine for this kind of show.
Watch it here
Not found streaming from France.