code: def parse_episode(a):
      
      d = {}
      html = get_html(ROOT + a.get('href'))
      d['rating'] = get_rating(html)
      d['episode-name'], d['date'] = get_name_date(html)
      season, d['episode-num'] = get_season_epi_num(html)
      return season, d
docs: Collects data related to an episode