1. Sign in to http://movies.netflix.com 2. Open Chrome's Developer Console 3. Paste in the code below and press enter

netflix-alt-genres.js

document.removeChild(document.documentElement);
var table = document.appendChild(document.createElement('table'));

var showData = function(i, title, movies) {
  var tr = table.appendChild(document.createElement('tr'));
  tr.scrollIntoView();

  var th = tr.appendChild(document.createElement('th'));
  th.textContent = i;

  var td = tr.appendChild(document.createElement('td'));
  td.textContent = title.textContent.trim();

  var td = tr.appendChild(document.createElement('td'));
  td.textContent = movies.length;
}

var fetchAltGenre = function(i, tries) {
  var xhr = new XMLHttpRequest;

  xhr.onload = function() {
    var title = this.responseXML.querySelector('#page-title a');
    var movies = this.responseXML.querySelectorAll('.agMovie');

    if (title) {
      showData(i, title, movies);

      if (i < 100000) {
        fetchAltGenre(++i, 1);
      }
    } else if (tries < 5) {
      fetchAltGenre(i, ++tries);
    }
  };

  xhr.open('GET', 'http://movies.netflix.com/WiAltGenre?agid=' + i, true);
  xhr.responseType = 'document';
  xhr.send();
};

fetchAltGenre(1, 1);