def each_updated_series(options={}, &block)
      updates = options[:since] ? find_updates_since(options[:since]) : find_static_updates(options[:period])
      updates[:series].each do |series_id|
        series = self.find_series_by_id(series_id)
        block.call(series) if series && series.title
      end if updates[:series].respond_to?(:each)
    end
def each_updated_series(options={}, &block)
      updates = options[:since] ? find_updates_since(options[:since]) : find_static_updates(options[:period])
      updates[:series].each do |series_id|
        series = self.find_series_by_id(series_id)
        block.call(series) if series && series.title
      end if updates[:series].respond_to?(:each)
    end
Yields the block for every updated series
 tvdb.each_updated_series(:since => 1.day.ago) { |s| Media.find_by_tvdb_id(s.id).title = s.title }
 tvdb.each_updated_series(:period => :day) { |s| Media.find_by_tvdb_id(s.id).title = s.title }