public function getEpisodeById($episodeId)
  {
    $response = $this->request('/GetEpisodeById/' . $episodeId);
    if ( $response->response->status == 'false' )
      return null;
    if ($response->response->cached == 'false') {
      $episode  = $response->response;
    } else {
      $episode  = $response->response->results;
    }
    $episode  = $this->formatEpisode($episode);

    return $episode;
  }