Continuity mistake: When you first see Betty swinging the chain near the waterfall, in the first shot of him the water is quite rough, but in later shots it is really smooth.
Continuity mistake: When Master Tang is in bed, you see a reverse view of Wimp Lo and a guy behind him. When Wimp Lo says, "I'll do it", and Master Tang says, "In your dreams", the guy who was behind Wimp Lo is now beside him.
Continuity mistake: When Betty gets the letter from the evil council, there's nothing but a wall behind him in the first shot, but the next shot, there's a window behind him. (01:02:25)
Continuity mistake: When Moon Yu, the cow, had all the milk drained from him and he fell on his back, there is no bush behind him. But in the next shot there is one. Plus, watch his tail as Chosen walks away. As it sways from side to side it disappears.
Continuity mistake: Before Chosen One gets captured by the tiny net, you see him running out of a field. But the closer shot of him, there is no field behind him.
Continuity mistake: When Chosen one meets Mu Shu, his face gets very bright with light, but when you see a really wide shot of Mu Shu, it's all dark and not bright at all.
Continuity mistake: When Chosen One is training to defeat Betty by practicing on wooden dummies, there's three shots of him hammering. In the first two the wooden Betty had lots of hair and a mouth, but in the third one, it has a little bit less hair and no mouth.
Continuity mistake: When Betty keeps getting hit with sticks, you can see that Master Tang is wearing the same clothes and same hat, and standing spot as the chosen one, but next shot where Master Tang was, it's the Chosen One. (00:23:20)
Continuity mistake: Before the Chosen One smacks a hole in a guy in the beginning he appears from a hole. If you look fast, you will see that he has green stuff on his back, but a few shots later, its dissappeared.
Continuity mistake: In the training scene when Chosen One and Wimp Lo are talking, there is a building behind Wimp Lo. In another shot there is now a guy training there.
Continuity mistake: When Chosen One hits Betty and sends him flying out of the temple, there is a guard seen outside the temple. But then he dissapears and is never shown again.
Continuity mistake: When Betty receives the letter from the evil council, look at his jacket. It has long sleeves, but when he stomps the letter to the table, the sleeves disappear.
Continuity mistake: When The Chosen One is fighting with the cow and grabs its udder to hit it with his finger, he is first shown hitting the upper part of the udder, but when the camera switches angles, he's hitting the lower part of the udder.
Continuity mistake: When Betty is having people beat up in town in the first distance shot, you see that both Betty and the mayor are facing forward. The following shot of them the mayor is now facing Betty.
Continuity mistake: At the beginning when the narrator is telling Chosen One's story, when Chosen One pops out the hole the first time, you see the guy in front of him facing away. When Chosen One kicks him, he kicks him in the nose.
Continuity mistake: When the cow sprays and hits the tree, the tree wasn't there before or after that part.
Continuity mistake: Various times in the movie when it shows the Crane school from a distance, the bush in front constantly changes sides and positions on the screen.
Continuity mistake: When everyone is beating Chosen One with the sticks, one of the guys says that they should stop. As they continue again, you see a shot of the Chosen One's face, and is laying on grass. Before and after this, he was on dirt.
Continuity mistake: When Chosen One is practicing to defeat Betty by putting silver things on dummies, in the close shot of him hammering it in, the dummy looks pretty rough and scratched, but next shot, it's smoother.
Continuity mistake: When Chosen One has that flashback about the necklace that Whoa and his mom were wearing we see Betty open the door and there was no one behind him. At the start though there were two people behind him.
Answer: Some scenes/shots were taken from the old movie, while others were made specifically for this movie. Additionally, numerous shots were "composited" to place new characters in the old footage.