Direct link here, but here is the basic breakdown of what happened.
This father took his 11 year old son to go see Eragon and they didn’t like it. His son was disappointed almost to the point of tears because of what the film did to the book. The big climatic battle at the end was created just for the movie and never took place in the book.
The father continues to say that the movie seemed to be limited on time and tried to squeeze a lot of events into a few hours, and the film came out clumsy feeling. This reminds me a little of The Chronicles of Narnia: The Lion, The Witch, and The Wardrobe. When I saw that I thought the movie was good, but it seemed to short on time. Everything happened so fast once the children got inside the world of Narnia, that I felt like I missed something.
I never thought Eragon looked half-way decent. Every “big budget fantasy/adventure” movie that comes out now looks like a rip-off of The Lord of the Rings triology. In my opinion, no movie,in that genre, will ever touch what Peter Jackson was able to put together.