Revealing mistake: When the villagers of Santa Poco are making the Amigo outfits, the sewing machines are not threaded because no thread is seen in the cloth as it passes through the sewing machine needles.
Revealing mistake: During their first confrontation with El Guapo, the Amigos start riding around and firing their guns in the air. Look at the difference in speed between the wider shots (with stunt doubles) and the closer ones, which show the actors themselves. Not only are they suddenly moving much slower in these closer shots, but it so very obvious that they are on mechanical horses by the movement.
