Jurassic World: Kids not happy with movie's dinosaur mistakes
11 June 2015 Last updated at 09:02 BST
Dinosaur fans have complained about how certain species have been made to look in the new Jurassic World film.
The blockbuster movie, which is out in cinemas today, shows Velociraptors looking like scaly lizards when in fact the most recent research suggests they would have been covered in feathers.
Jenny has been speaking to kids about what they think and also tracked down the people behind the film to find out more.
Watch her report now.