ER “Let It Snow” (Season 15 Episode 9) December 2, 2008 ER, Videos Watch a promo from ER Season 15 Episode 9, “Let It Snow” airing this Thursday, December 4, at 10pm on NBC. Read all our ER coverage. Episode Synopsis: “Let It Snow” – Neela (Parminder Nagra) has to testify in court after she treated a patient that bled out and died. Alex (Dominic Janes) and Sarah (Chloe Greenfield) go to a party against Sam’s (Linda Cardellini) will and get into a terrible car accident. Meanwhile, Morris (Scott Grimes) and Banfield (Angela Bassett) get snowed in and stuck at an ER conference in Nebraska. John Stamos and David Lyons 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)