ER (season 12)
The twelfth season of the American fictional drama television series "ER" first aired on September 22, 2005 and concluded on May 18, 2006. It consists of 22 episodes. Plot. Kovač and Abby become the main central characters and their relationship slowly starts to get back on track as they deal with her unexpected pregnancy. A new nurse manager causes friction among the staff, following a successful operation Weaver no longer needs her cane, Pratt journeys to Africa where he joins Carter on a relief mission while a face from Sam's past leaves the lives of Abby  and Kovač hanging in the balance. In addition to Darfur, geopolitics of the day get a strong spotlight due to the Iraq War. Cast. Changes. Following Sherry Stringfield's departure in the season premiere, this season becomes the first to not feature any of the original cast members in a regular capacity (Noah Wyle is featured for four episodes in a guest capacity throughout the season). Episodes. <onlyinclude></onlyinclude>