code: public Banners getBanners(String seriesId) throws TvDbException {
          StringBuilder urlBuilder = new StringBuilder();
          urlBuilder.append(BASE_URL)
                    .append(apiKey)
                    .append(SERIES_URL)
                    .append(seriesId)
                    .append("/banners.xml");
  
          LOG.trace(URL, urlBuilder.toString());
          Banners b = TvdbParser.getBanners(urlBuilder.toString());
  
          if (b != null) {
              b.setSeriesId(NumberUtils.toInt(seriesId));
          }
  
          return b;
      }
docs: Get a list of banners for the series id
  
  @param seriesId
  @return
  @throws TvDbException