Home›2021 British television episodes›Once, Upon Time🌐EnglishEnglishDeutschEspañolFrançaisPolskiPortuguêsTürkçeРусский日本語EntityQ109588682· pop 7· linked from 173 articlesOnce, Upon Timeepisode of Doctor WhoWikidata factsDuration49Show 2 more factspublication date2021-11-14titleOnce, Upon TimeSources (2)wikidata.orgen.wikipedia.orgvia Wikidata · CC0Available in 7 languagesEspañolFrançais日本語РусскийPortuguêsTürkçevia Wikidata sitelinks · CC0ConnectionsDoctor Who, series 7EntityThe DoctorEntityCategories2021 British television episodesDoctor Who multi-Doctor storiesTelevision episodes written by Chris ChibnallThirteenth Doctor episodes