Entertainment Timeless 2-Part Series Finale Airs in December – IGN News Published August 24, 2018 http://assets14.ign.com/videos/zencoder/2018/08/24/640/3d622a60c904af1902021dd2f1d256fd-347000-1535135229.mp4John Showalter, who’s directed several episodes of the show, will helm the finale.