Has Outlander TV show been cancelled or renewed for Season 3? When does Outlander Season 3 start? Want to know the Outlander Season 3 premiere date? You’ve come to the right place! We constantly research the news to bring you the latest release date for the new season of Outlander. See the status box below for the most up to date return date info for Season 3 of Outlander: Outlander Season 3 Premiere Date — September 5, 2017.