ER “The High Holiday” (Season 15 Episode 10) December 10, 2008 ER, Videos Watch a promo from ER Season 15 Episode 10, “The High Holiday” airing this Thursday, December 11, at 10pm on NBC. Read all our ER coverage. Episode Synopsis: “The High Holiday” – Morris (Scott Grimes) receives an unwanted package from his father at the ER doorstep. Sam (Linda Cardellini) is anxious about getting Alex (Dominic Janes) off of the ventilator after his accident. Meanwhile, a pregnant woman with a high-risk pregnancy is in danger of getting deported. Parminder Nagra, David Lyons and Angela Bassett also star. Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Reddit (Opens in new window)Click to share on Google+ (Opens in new window)Click to share on Tumblr (Opens in new window)Click to share on Pocket (Opens in new window)
