Thanks to Emily for the heads up.
However, TV Guide has learned the show will see its Season 1 episode count cut by one, meaning the originally planned 13-episode debut season will now be an even dozen episodes. The change means the Season 1 finale will air on Thursday, Dec. 7.
Don't blow your top like Darulio, though, Orville fans. That lost episode will be beamed over to the series' second season, which will likely air in the fall of 2018.