Backbone Collection.fetch problem

movies.js

(function() {

  define(['backbone', 'models/movie'], function(backbone, Movie, dtvCollection) {
    return window.Movies = window.DTVCollection.extend({
      model: Movie,
      url: function() {
        return this.urlRoot() + 'movies.json';
      },
      parse: function(response) {
        console.log(response);
        return response.results;
      },
      sync: function(method, model, options) {
        var params, that;
        that = this;
        params = _.extend({
          type: 'GET',
          dataType: 'jsonp',
          url: that.url(),
          processData: false
        }, options);
        return $.ajax(params);
      },
      initialize: function() {
        return this.fetch({
          success: function() {
            return console.log("SUCCESS!");
          },
          error: function(model, response) {
            console.log(response);
          }
        });
      }
    });
  });

}).call(this);