Continuity: The number of natives holding onto the ropes to prevent the giant statue from falling keeps changing in the final scene. There are usually several huge rows of them, but in some shots there are no more than 15 or so.

Continuity: When the men first arrive at the El Dorado island, their boat constantly changes position.

Continuity: The color of the weapon Tzekel-Kan uses to punch the victim into the whirlpool, changes from brown to white to brown again.

Continuity: When Altivo the horse jumps out of the boat he has normal horseshoes, then after Cortes leaves he reveals his golden horseshoes, then when Chel stirrups him he is back in normal horseshoes.

Continuity: The armor of the soldier Tulio bumps into in the beginning goes from being shiny enough to see his reflection in it, to not shiny at all, to really shiny again.

Continuity: When Tzekel-Kan introduces the ball-playing team, he states that there are 15 of them. In the next shot, as the team runs back to where they came from, there are suddenly only six of them. The number of players changes constantly throughout the entire ball game.

Continuity: When the two men are climbing over the fence to get away from the bull, you can see that the the part of the fence they're climbing is made up of 15 planks, but in the very next shot it's made up of 9 planks.

Continuity: When the two men arrive at El Dorado, someone runs off to tell the chief. This person has yellow clasps around his arms, but when he finally gets to the chief he is wearing red clasps.

Continuity: When Miguel is pulling the leeches off Miguel's back, the position of the leeches change between shots.

Continuity: When the crowd has Miguel on their shoulders, in one shot his arms are raised, but in the next they're lowered.

Continuity: During the song "On the Trail We Blaze" Miguel and Tulio pass by a rock shaped as an animal with its mouth open and there are vines hanging over it. Later in the film, Tzekel-Kan leads Cortes and his men to this rock, and the vines hanging over it are different.

Continuity: When Miguel and Tulio first enter the city there are plenty of vines at the entrance. But when they sail out of it at the end, there are no vines.

Factual error: Hernando Cortes is featured as the main background villain. Only thing about his appearance: according to the history books, he never actually ventured into South America to do any conquests; his actions were limited to Cuba, Mexico and California.

Continuity: In one scene the ball players are kneeling in the background while Miguel is protesting Tzekel-Kan's intention on sacrificing them. In this shot, one of them has blue feathers in their hair and one has red feathers. A few seconds later, they lift Miguel on their shoulders, and none of them have any feathers in their hair.

Continuity: While running away from the giant jaguar, Chel tells the men to get on the horse. In this shot, there is a throne standing in front of the staircase, but in the very next shot as the horse starts galloping away, the throne has disappeared.

Other: In the scene where Tzekel-Kan reveals the big tiger thing, he is on his knees facing it. He says "do as I command" and raises his right arm and the tiger raises his left arm. The tiger and Tzekel-Kan should both raise the same hand because the tiger is built to mimic Tzekel-Kan's exact moves.

Continuity: The position of the seagull changes after it dies.

Continuity: When the people of El Dorado are bowing after Miguel and Tulio 'make' the volcano stop erupting, Tzekel-kan's assistant magically appears in the hallway in front of them.

Continuity: When Miguel and Tulio are hiding in the barrels on the ship, they push the corks out so they can breath, but a second later the corks have disappeared from the ground.

Continuity: The shape of the spear that Tzekel-Kan's assistant has, changes in the scene where he first sees Miguel and Tulio next to the waterfall.