15 Season
331 Episode
ER - Season 4 Episode 16 My Brother's Keeper (2009)
Mark finds out Cynthia has moved. Carter's cousin Chase is brought in because of a heroin overdose. Doug and Kerry clash after she found a flaw in his study.
- Country : United States of America
- Genre : Drama
- Studio : NBC
- Director : Michael Crichton
- Cast : Maura Tierney, Parminder Nagra, Linda Cardellini, Scott Grimes, David Lyons, Angela Bassett