Captain Thunder
El Capitán Trueno y el Santo Grial (original)
A 12th-century knight-errant wanders the world fighting injustice and is accompanied by his faithful friends Crispin and Goliath.
Starring Sergio Peris-Mencheta, Natasha Yarovenko, Adrián Lamana, Man Martínez, Gary Piquer, Luis Fernando Alvés, Francisco Merino, Jon Bermúdez, Xabier Murua, Ramón Langa
It's a action & adventure movie, and has a rating of 3.1 out of 10 from Imdb which is fairly low for this kind of movie.
Watch it here
Not found streaming from Argentina.