 
 <translate> The important part for answering this question is: The first season of Supernatural, an American fantasy horror television series created by Eric Kripke, premiered on September 13, 2005, and concluded on May 4, 2006 after 22 episodes. The answer is September 13 , 2005. <ibo> Akụkụ dị mkpa maka ịza ajụjụ a bụ: Oge mbụ nke Supernatural, usoro ihe nkiri telivishọn American fantasy dị egwu nke Eric Kripke kere, nke mbụ ya na Septemba 13, 2005, wee mechie na Mee 4, 2006 mgbe ihe omume 22 gasịrị. Azịza ya bụ September 13, 2005. 