The ER treats victims of a gang shootout. Carter arrives late and unprepared for his new position. Mark learns all about being an attending, including senior staff's habit of bad-mouthing the residents, particularly Doug Ross. Mark hires a new chi... (more)ef resident, Kerry Weaver. New third year med students arrive to complete their ER rotation.

Antonio del Sol, Colin Martin, Darrow Igus, David Spielberg, Howard George, James Keane, Jesse Littlejohn, Julio Dolce Vita, Julius Tennon, Maria Hurtado, Mark del Castillo Morante, Maurice Sherbanee, Nicole Nagel, Noah Verduzco, Penny Fuller, Taylor Young, Tim deZarn