Er - Season 9 -

: Weaver continues her professional rise, eventually becoming Chief of Staff while navigating the loss of her friend Mark Greene. Notable Episodes Kerry Weaver - ER wiki

The ninth season of the American medical drama series ER premiered on September 26, 2002, and concluded on May 15, 2003, with 22 episodes. This season marked a significant turning point as Dr. John Carter, played by Noah Wyle, became the central character following the death of the series' original lead, Dr. Mark Greene, at the end of Season 8. Core Themes and Plot Evolution ER - Season 9

: Following his breakup with Abby, Luka enters a downward spiral of depression, drinking, and reckless behavior before seeking redemption in Africa. : Weaver continues her professional rise