query: embed.html#SELECT ?episode_nb ?item ?itemLabel ?title ?season_nb ?episode_nb_in_season ?season ?sl ?st
  WHERE
  {
    ?item wdt:P31 wd:Q21191270 ; wdt:P4908 ?season ; wdt:P179 wd:Q2632294 .
    OPTIONAL { ?season p:P179 [ pq:P1545 ?season_nb ] }
    OPTIONAL { ?item p:P4908 [ pq:P1545 ?episode_nb_in_season ] }
    OPTIONAL { ?item p:P179 [ pq:P1545 ?episode_nb ] } 
    OPTIONAL { ?item wdt:P1476 ?title . }
    SERVICE wikibase:label { bd:serviceParam wikibase:language "[AUTO_LANGUAGE],en". }
    OPTIONAL { ?item wikibase:sitelinks ?sl ; wikibase:statements ?st }
  }
  ORDER BY xsd:integer(?season_nb) xsd:integer(?episode_nb)