query: PREFIX wd: <http://www.wikidata.org/entity/>
  PREFIX wdt: <http://www.wikidata.org/prop/direct/>
  PREFIX wikibase: <http://wikiba.se/ontology#>
  PREFIX xsd:   <http://www.w3.org/2001/XMLSchema#>
  
  SELECT DISTINCT ?episode ?episodeLabel ?number WHERE {
    ?episode wdt:P31 wd:Q838795 .
    ?episode wdt:P361 wd:Q13915 .
    ?episode wdt:P433 ?number .
  
    SERVICE wikibase:label {
      bd:serviceParam wikibase:language "en" .
    }
   } ORDER BY xsd:integer(?number)