26 Apr Tarik, Mixwell, Hazed and Rush cast a CSGO match (SK VS Gambit upper bracket finals map 1 at Beyond The Summit). The fifth season of the American fictional drama television series ER first aired on September 24, and concluded on May 20, The fifth season consists of 22 episodes. Contents. [hide]. 1 Plot; 2 Production; 3 Cast. Main cast; Supporting cast . Greene has unpleasant flashbacks when he is hazed by his paramedic. Hazing () cast and crew credits, including actors, actresses, directors, writers and more.