In the past, it's quite hard to create an animated movie, because everything should be done manually by drawing page per page. But nowadays, by using computer technology, animated movie can be created in a faster and more creative way. It even reaches 3D animated movie.
What do we need to have in order to create an animated movie? You'll need an idea about what animated movie you are going to create. Well, this will take a little to think. It's like planning for something great at first.
After having the idea, the next step will be what kind of animated movie you are going to create, a 3D one or just a 2D one?
You also need to create the characters, background, music and many things for the animated movie. When everything is ready, you'll be ready to turn it into an animation which the character can speak. You'll also prepare the voice of the character. Perhaps adding some subtitles is also an obligation. If you are interested in making your animated Movie, you can watch the following introduction video about step-by-step in creating an animation.